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This easy-to-grow deciduous native shrub is adaptable to many soils, including clay or shallow soils, though it prefers consistently moist mediums. The 4- to 12-inch flower clusters resemble pie plates composed of many small, creamy white florets, and...

A rare and endemic species of hibiscus, this Rosemallow is native to regularly-flooded lowland areas near the Neches, Angelina and Trinity rivers in eastern Texas. Endangered in nature and rare in cultivation, it's a true gem worth saving and...

'Sheila's Sunshine' is a vegetatively-propagated cultivar of the native Giant Sunflower, which hails from the eastern part of North America. It has an elegantly loose habitus, ghostly pale flowers (about 2.5" wide), and reddish stems. It's robust, but...

'Dale's Strain' is a seed strain selected for the lovely silver marbling pattern and reddish veins on the leaves. It's a surprisingly stable-colored cultivar. The flowers are small, whitish and insignificant, blooming in mid to late summer. The...

Geranium sanquineum v. striatum is a tough, hardy Geranium that's native to Europe but quite popular in North American landscaping. It is often sold as 'Lancastriense.' It grows in regular mounds of fragrant, dissected leaves, with large, soft pink...

Eupatorium rugosum 'Chocolate' is an exclusive introduction from the Mt. Cuba Center in Greenville, Delaware and the perfect choice for those who find the wild parent form (E. rugosum, or Ageratina altissima) too common or "weedy...

One of the easiest to grow dragonheads, even in regular flower bed conditions! Deep sky-blue, slightly fragrant flowers in early summer. Mounds of narrow, green, aromatic leaves. Adaptable and tough plant is a deer resistant, bee-friendly perennial...

Superb cultivar, easy to grow, favorite and often-used perennial that's highly recommended by the Mt. Cuba research center:     - in comparison to its cousin 'Zagreb', 'Moonbeam' offer airy, wide clumps that open almost like a vase...

This excellent perennial was selected by Mt. Cuba center: "Coreopsis tripteris ‘Gold Standard’ combines all of the great attributes of the straight species, like excellent hardiness and disease resistance, with a smaller and sturdier habit...

This fall flowering clematis has fragrant, cream-white flowers in late summer through early fall (flowers are 1.25" in diameter). This is the ideal substitute for the invasive Clematis ternifolia (sweet autumn clematis) introduced from Japan. The native...

'Tiny Tortuga' = dense mounding perennial, the shortest and compact cultivar of Chelone. . This gorgeous, adaptable perennial grows in mounds that stay tightly closed and have a ground-covering habit. The clumps of shiny, dark green leaves are topped by...

This ground covering, non-invasive perennial hails from Western China. It grows into a dense mat of glossy leaves with slightly reddish stems, accented with dark gentian-blue flowers in late summer through early fall. Towards the fall, the leaves...

Also called yellow scabious, this tall, airy perennial is quite stately, reaching 6' tall pretty early in the season while other tall prairie plants are still rather small. It also starts flowering fairly early in the summer, creating a display of...

This perennial has unique, purple-blue flowers that appear from late summer to early fall. It dies back completely in the winter. The foliage releases an unpleasant aroma when crushed, which causes deer to avoid it.  Caryopteris divaricata...

Marsh marigolds are hardy and quite common perennials that can be found throughout the whole northern hemisphere, thriving in temperate zones. Caltha palustris has leathery, light green, round leaves and large, golden-yellow flowers in late...

Shorter or dwarf form of false aster. Var. latisquama has larger flowers than the more widely-spread Boltonia asteroides; it is also native to the more central USA, along with only a handful of states in the Northeast/New England area. This upright...

Also called "chocolate daisy" for the light chocolate fragrance of the daisy-like flowers; another common name is lyreleaf greeneyes. It has grayish, aromatic and divided leaves, pale yellow to yellow flowers with maroon brown eyes, and nice,...

Evergreen perennial with bigger leathery leaves and early dark pink flowers. Pigsqueek 'Rotblum' ('Red Beauty' or 'Red Start') is an improved selection of B. cordifolia, introduced by Jelitto Perennial Seeds in 1978, with early flowering and very...