Plant materials for use in extensive green roof systems

Plant materials for use in extensive green roof systems
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Botanical name	Common Name	height (inches)X	Flower Colot	USDA Zone	Bloom Time
Arneria juniperifolia1	Spanish Thrift	2 inches	Pink	2	June
Arneria maritima "Pride of Dusseldorf"	Common Thrift	5 inches	Pink	2	April - June
Aubrieta "Argenteo-variegata"	Rock Cress	4 inches	Purple	4	April - June
Carrpanula "Birch Hybrid"	Bellflower	4 inches	Blue	4	June - Sept
Sedum acre "Aureum"	Gloden Stonecrop	3 inches	Yellow	3	July - August
Sedum Album Murale		1 inch	White	4
Sedum cyaneurn "Rose Carpet"		2 inches	Pink
Sedum ewersii	Pink Stonecrop	6 inches	Rose-pink	3	Late summer
Sedum 'Jelly Bean'	Jellybean Sedum	4 inches
Sedum kamtschaticum	Russian Stonecrop	6 inches	Yellow	3	June-July
Sedum linare 'Variegatum'		5 inches	Yellow
Sedum lineare 'Golden Teardrop'		3 inches	Yellow	4	May June
Sedum 'Mentha Requin	False Artillery fern	2 inches		4
Sedum pirifolum 'Blue Spruce'		8 inches	Yellow	3	May-June
Sedum reflexum		4 inches	Yellow	4
Sedum spurium 'Fuldaglut'	Dragon's Blood Sedum	6 inches	Red	3	Fall
Sedum spurium 'Roseum'		6 inches	Pink	3
Sedum spurium 'Tri-Color'		6 inches	Pink	3
Sedum spurium 'White Form'		6 inches	White	3
Sedum spurium 'Larinem Park'	Shale Barrens	2 inches	White	3	May-June
Sedum floriforium 'Weihenstephaner Gold'			Yellow
Sedum 'Arthur Branch'		18 inches	Red	4	August-Sept
Sempervivum arachnoideum 'Sparkle'	Spider-web Hen & Chicks
Thyrmus Praecox "Coccineus'	Red Creeping Thyme	1/2	Pink	2	July-August
Thymus praecox 'Pseudolarnuginosus'	Wooly Thyme	1 inch	Pink	2	July-August

Note: Invassive species - such as Sedum semankosurs, a native of china - shold be avoided on green roof applications. Daoperma, or ice plant, is also difficult to control on some roofs
¹These require abotu 4 inches of soil.