Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum telephium 'Black Knight'. Plant Black Knight in the sun in an average soil that is well-drained. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Plant Black Knight in the sun in an average soil that is well-drained. Blooms are medium to large, 1. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Best grown in full sun, in average , dry to medium moisture , well-drained soils. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. PGR: Optional – For best results, use B-9 2500-5000 ppm. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. In the late summer, it produces dazzling displays of large 6- to 8-inch raspberry-pink flower clusters that bloom for over seven weeks. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Plant Black Knight in the sun in an average soil that is well-drained. Let the leaf dry out for a few days until the cut area is dry and starts to form a callous. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. The foliage is fine and elegant. To grow well, it prefers sun and occasional - low water. A clump-forming perennial to around 50cm tall and 40cm wide, with fleshy, purple-black leaves and producing terminal clusters of bright magenta pink flowers, in mid-to late summer. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Name: Sedum sieboldii. 1 Echeveria Black Knight 2" | Healthy Succulent Echeveria Live Easy Care Indoor House Plant, Fully Rooted in 2/4/6 inch Sizes Black Knight, an. Plant Black Knight in the sun in an average soil that is well-drained. Blooming in late summer and fall, a profusion of showy flowerheads packed with star-shaped, pale mauve-pink flowers are on display. The aptly named Sempervivum 'Black' is just one of them. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Rozchodníky odesíláme pouze v úterý a ve středu. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Check for roots after a. Black Knight Echeveria Read more; Black Prince Echeveria Read more; Black Rose Aeonium Read more; Blue Atoll Echeveria Read more; Blue Chalk Stick Read more; Blue Elf Aloe. The foliage is fine and elegant. The foliage is fine and elegant. E-mail: Website: Penstemon Purple Perfection ('Pmoore14') PP27,315. 540. Key Points Maksaruoho 'Black Knight'. The foliage is fine and elegant. The foliage is fine and elegant. Tyto rozchodníky je možné objednat pouze emailem nebo přidáním do poznámky objednávky jiných. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Often, the types of hens and chicks plants that qualify as black plants bear their dark color at the tips of the leaves. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Bestseller No. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Black Knight has glossy, black foliage and red flowers in August-September. The gorgeous Viola MAGNIFI SCENT® Collection has been bred for beauty and fragrance. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Black Prince is a clumping succulent that grows in dense clusters. Black Knight has glossy, black foliage and red flowers in August-September. Grow in moderately fertile, well-drained,. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Dark Knight - types and varieties, seeds in the Plant EncyclopediaDepth: 1/8 - 1/4 inch. Black Knight has glossy, black foliage and red flowers in August-September. Farbintensiver Blütenschmuck. The foliage is fine and elegant. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Autumn Joy stonecrop—Hylotelephium telephium 'Herbstfreude' (‘Autumn Joy’)—is a popular upright variety of stonecrop, also known as sedum. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Plant number: 1. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. This gorgeous butterfly bush is very vigourous and produces deep-purple to almost black flowers. The foliage is fine and elegant. The foliage is fine and elegant. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. 'Black Knight' je jeden z nejvýrazněji zbarvených vysokých rozchodníků. Regarded as one of the darkest varieties, this early grandiflora sweet pea is a lovely addition to the garden and perfect for containers where its rich perfume can be enjoyed. Plant Black Knight in the sun in an average soil that is well-drained. aka Desert Black Stonecrop. Synonyms. Eager to reinvent the category of strawflowers, we’re excited to introduce the vastly superior Cottage series of bracteantha. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. It, along with Echeveria Black Prince, is one of the darkest Echeverias. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum selskianum Vytrvalá, kompaktní rostlina, jejíž sukulentní listy tvoří až 20 cm vysoké zelené kopce. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Small clusters of light mauve pink flowers are produced on. Black Knight has glossy, black foliage and red flowers in August-September. Join the RHS today and save 30%. Sedum maximum 'Thunderhead' (Stonecrop) PP # 24,693. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. The foliage is fine and elegant. Sedum telephium (Atropurpureum Group) 'Dark Knight'. Add To Wishlist. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. orpine 'Dark Knight'. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Plant number: 1. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. It contributes glossy texture to the garden. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. The foliage is fine and elegant. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. The leaves are wide and triangular in shape. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Scabiosa atropurpurea 'Black Knight' (Pincushion Flower) Scabiosa atropurpurea 'Summer Fruits' (Pincushion Flower) Scabiosa caucasica 'Fama Deep Blue' (Pincushion Flower). Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Echeveria Black Knight is an intriguing black succulent plant with dark-colored, pointy, narrow leaves. Water the soil but not in much quantity; make sure that the water does not sit in the rosettes of your Echeveria Black Knight. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Using clean, sharp pruners or a knife, cut a 4- to 6-inch healthy stem. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Noted for its unusual dark foliage, Sedum 'Night Embers' (Stonecrop) is an upright, clump-forming, deciduous perennial with a striking foliage of thick, fleshy, semi-glossy, dark black-purple leaves. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Tato sukulentní rostlina se výborně hodí do skalek. Tyto rozchodníky je možné objednat pouze emailem nebo přidáním do poznámky objednávky jiných. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Succulents are popular among plant enthusiasts due to their unique shapes and low-maintenance nature. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight® ist eine. The blue-green leaves of this succulent are tightly clumped, which makes it a stunning addition in pots. Sedum ‘Black Knight’ Kukehari 'Black Knight' Läikiv tume lehestik ja lillakaspunased õied. The foliage is fine and elegant. Die pflegeleichte, mehrjährige Staude wird ca. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Za deštivého počasí zasíláme rozchodníky až po jejich částečném vyschnutí. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Sedum performs best when grown in a porous, well-drained medium with a slightly acidic pH: 5. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Pinching: Optional – Always ensure you have at least two nodes, especially in cool periods. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. They will come back the next. Descrizione. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. It is an excellent Sedum for the rock garden but also for the perennial border or for in a pot on terrace or balcony. 5″ in diameter. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Peter Krumhardt. Drought. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. This late season bloomer can be admired for its strictly upright habit of dark black-purple, semi-glossy succulent leaves. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The gorgeous Viola MAGNIFI SCENT® Collection has been bred for beauty and fragrance. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. It also looks great in hanging baskets. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Rozchodník kamčatský (Sedum kamtschaticum) Tento rozchodník dorůstá do výšky okolo 20 cm a vytváří kompaktní polštáře trsů, které mají svěže zelené, jemně zoubkované a dužnaté listy. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Shop Buddleia Black Knight at J Parkers. Black Knight has glossy, black foliage and red flowers in August-September. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. These deep flowering buddleias are beautiful flowering shrubs that are hardy in zones 5 to 9. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Black Knight has glossy, black foliage and red flowers in August-September. : Constant feed with a balanced fertilizer (200-250 ppm N) that contains average levels. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. 2304. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Code SEBB. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight EcheveriaSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. Plant Black Knight in the sun in an average soil that is well-drained. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. Combining the most disease resistant genetics availSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Multiple crowns of flower clusters are dark pink and appear in late summer through late fall. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Vigorous compact rounded habit, 4-9″ x 6-9. CONTACT INFORMATION Battlefield Farms/ Heritage Greenhouses 23190 Clarks Mountain Rd. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. orpine 'Dark Knight'. Das Sedum Black Knight® bevorzugt einen sonnigen Standort mit durchlässigem Boden, kommt aber auch mit Halbschatten zurecht. Black Knight has glossy, black foliage and red flowers in August-September. The foliage is fine and elegant. The foliage is fine and elegant. The foliage is fine and elegant. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. The foliage is fine and elegant. Plant Black Knight in the sun in an average soil that is well-drained. 486. Sedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Black Knight has glossy, black foliage and red flowers in August-September. Black Knight has glossy, black foliage and red flowers in August-September. Plant Black Knight in the sun in an average soil that is well-drained. The Coleus series is an excellent choice for any grower who is looking for vivacious, unique pops of color in a landscape, pot, combination containers, or borders. The foliage is fine and elegant. Black Knight has glossy, black foliage and red flowers in August-September. Key Points Botanical Name: Sedum hispanicum ‘Blue Carpet’ Color: Blue. Black Knight becomes about 50 cm tall and wide and is hardy to -15 ºC. Key PointsSedum Black Knight is a strong plant that is disease-resistant (no mildew detected so far) and does not rot so it is ideal to make big pots. Plant Black Knight in the sun in an average soil that is well-drained. This colourful selection has purple-black foliage that forms a low mound.