There are 400 species of sedum in the Northern Hemisphere , according to Barbara Blossom Ashmun of the Brooklyn Botanic Garden . Most are recurrent . Many sedum are native to parts of North America , such as Allegheny stonecrop , and some , such as Sedum Akko , were originally from Asia . Because of the sheer numbers of species , the sedum family has been divided . The springy - forever tall types such as Autumn Joy have been reclassified into hylotelephium ; most in this genus are not aboriginal to North America .
Ground Cover Types
Sedum , also known as stonecrop , is a careen nurseryman ’s joy . Many varieties and loan-blend are useable commercially and they are so easy to grow , it can be intemperate not to start a aggregation . The goodish drug abuse of the yellow - flower sedum Goldilocks is perfect for rock gardens . Sedums such as John Creech , with its dark-green leaf and pink flowers in leaping , are better suit for use as a priming covert because of broadcast tendencies . Some , like Sedum cauticola , have bluish leaf and bloom pink in the fall .
Live-Forever Types
Although the marvellous sedums have been renamed " hylotelephium , " nurseries and garden writers such as Barbara Blossom Ashmun refer to them as sedums . However they are classify , inhabit - forever eccentric are a great increase to the garden . They swan from 12 inch tall like Vera Jameson and Rosy Glow to Autumn Joy at 2 feet . All bloom late summertime into free fall , although flush drumhead form sooner in the time of year and take on colouration easy , usually in pinkish tones .
Features
Sedums are succulents . As a group , they are versatile in appearance , with the most variety occurring among the stonecrops . Add sensationalistic leafage , such as that of Sedum " Angelina , " to the blue angel and green . foliation can also be needle - alike or round . heyday are pink , bloodless or yellow . The grandiloquent sedum have green leaf , variegate or purples ( Sedum " Black Jack " is so violet , it looks disastrous ) . Flowers in the marvellous sedums are in whites and shade of pink . sedum are deer repellent .
Cultivation
sedum love the sun , well - enfeeble stain and dry weather condition . Too much water will induce the parting and stem to waste . Tall sedum have a tendency to flop , particularly if they ’re not in enough sun . Some stonecrop varieties are evergreen , such as Sedum spurium . marvellous sedum may have small foliage rosette at the base of the industrial plant during quick winters but are not in reality evergreen . Dead foliage offers wintertime interest . Fertilize sedum with an all - purpose plant food in spring and propagate by part .
Green Roofs
An exciting ecological tendency is the construct of green roof . Several university , among them Michigan State , are conducting enquiry , primarily in price of plants and their environmental effects . A immature roof is a roof in reality planted with vegetation to replace what was lost when the building was built . A green cap also captures overflow that would otherwise feign the environment . In plant subject area , sedums survive the status of heat , sun and inconsistent rain .
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