Growing Conditions

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...

Superior, reliable and probably the most standard Coreopsis in Europe (where it's sold under 'Grandiflora', which means "large flowering"). It received the Royal Horticultural Society’s Award of Garden Merit in 2000 (UK). Unfortunatelly variety...

Shortest of the C. verticillata hybrids. Dense mounds, bi-color red-yellow flowers. Very long flowering season from June to the fall. Good hardiness to zone 5, but also tolerant of the heat and humidity of deep south (up to Florida). Pollinator friendly...

Coreopsis verticillata hybrid with very good hardiness, short mounds and orange-re flowers over fresh green foliage.(the flowers can have yellowish tips here and there). Very long flowering season from June to the fall. Tolerant of the heat and humidity...

EXCELLENT NEW CULTIVAR WITH INCREDIBLE RICH FLORAL DISPLAY FOR 18 WEEKS! For it's qualities - health, growth rate, ecological value, this is the Coreopsis of the future! Must have perennial, unique hybrid of two native species - reliable and favorite...

Hybrid of South African perennial with bright orange-red flowers and gladiolus sword-like leaves. Award of Garden Merit by Royal Horticultural Society (UK). Upright, wide vase shaped clump, smaller flowers in one-sided clusters in mid to late summer...

Hybrid of South African perennial with orange flowers and gladiolus sword-like leaves. Upright, wide vase shaped clump, smaller flowers in one-sided clusters in mid to late summer (July-August - flowers for about 5 weeks). Usually grows to 2.5-3' of...

Hybrid of South African perennial with bright orange flowers with reddish throat and gladiolus sword-like leaves. Upright, wide vase shaped clump, smaller flowers in one-sided clusters in mid to late summer (July-August - flowers for about 5 weeks)...

Hybrid of South African perennial with orange buds and bright rich yellow flowers and gladiolus sword-like leaves. A bit earlier blooming cultivar. Upright, wide vase shaped clump, smaller flowers in one-sided clusters in mid to late summer (July-August...

American dittany is reminiscent of oregano or marjoram. It belongs to the same mint family (Lamiaceae) but is a less common perennial in our yards. It has smaller purple tubular flowers, lovely scented leaves and stems, and a late flowering season...

Large plant with bold arching silver leaves. Mostly grown as annual and combined with annual. For overwintering needs drained soil, that stay drier during the winter months (from zone 7b). Does the best in areas with somewhat cooler summers. Edible...

More leafy than other native prairie clovers, purple-light purple flowers form prolonged ornamental seedheads (last till mid fall). Can't compete with tall competitive plants, so combine with shorter/smaller plants. Late bloomer, drought and heat...

Purple prairie clover is a showy, native North American perennial. It grows in slender-looking, upright clumps, with fine leaves and cylindrical spikes of purple flowers. Drought tolerant. This is a pollinator favorite plant - the pollen and nectar...

"Delphinium exaltatum is an attractive and floriferous native woodland-edge perennial that is equally at home in the home garden border. Growing to a height of 4’, this summer-blooming perennial has attractive medium-green, palmate leaves and...

'Tardiflora' is similar to the species, the difference is that it blooms 2-3 week later. Best in half shade areas with not too-dry soil (likes a bit wet feet). Performs and blooms better in somewhat cooler ares (not suitable for south). Airy silver-green...

Fine-textured native grass with delicate appearance. For cooler northern areas (dislikes hotter zones than 7).  Adaptable to soil conditions, best in half shade or shade garden, tolerates dry shade! Flowers gracefully move in the wind, mature to...

Also called prairie bundleflower or prairie mimosa, this bushy native wildflower perennial has very fine, fern-like foliage and fluffy white flowers that are followed by ornamental, compound, twisted seedpods. The seedpods are dark brown-black and...

This adaptable native wildflower perennial has great wildlife benefits, and its flowers, leaves, and seedpods are all considered ornamental. It grows in bushy clumps, with pink flowers that appear for 3 weeks in late summer. Very adaptable. Very good...