Full Catalog
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Allium senescens ssp. montanum
An Allium variety featuring strong upright green foliage. Pink to white buds open to pink to lavender flowers. Later blooming. Green winter foliage.
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Allium senescens ssp. montanum var. glaucum
Interesting foliage plant adds texture to a green roof with spiraling blue-green leaves. Flowers give much-needed color later in the season. Tolerates some shade.
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Allium sphaerocephalon
Also known as drumstick Allium- has a unique habit, the 1” egg shaped flowers at various heights add pops deep purple color to the landscape.
Sold as bare root Bulbs.
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Allium stellatum
This native prairie onion has muted tones, from a drier, sunnier habitat than cernuum.
Sold as bare root Bulbs.
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Antennaria dioica
Known by the common name pussytoes, for the shape of the flowers in late spring resemble the pads of a cats foot. The fuzzy foliage forms a dense sprawling mat in low nutrition sites such as pastures and areas with stone soils. Not suitable for hot humid summers of the deep south, larval source for American lady butterflies.
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Aquilegia canadensis
Columbine is found naturally in North America, adapted to a wide range of conditions. Displaying beautiful Crimson Red flowers early in the season.
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Argemone platyceras
The self-sowing prickly poppy, found in dry roadsides & prairies of Western North America makes it a great selection for greenroofs.
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Armeria maritima ‘Splendens’
Shiny dark green narrow leaves form tufted clumps. Pink flowers. Tolerates salt and shade. Dark green to purple winter foliage. North American native.
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Asclepias tuberosa
With its striking bright orange flowers, this North American and Mid-Atlantic native is a great accent plant. It is a host plant for monarch butterfly larva and helps increase the biodiversity on a green roof.
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Aster alpinus ‘Dunkle Shoene’
The variety 'Dunkle Schoen' has excellent performance, adding mid-season bloom for pollinators on the roof.
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