Aethionema
Stonecress
Perennials
Native to the Mediterranean region and Asia Minor. These shrublets, attractive in or out of bloom, are best adapted to colder climates and are favorites among rock gardeners. They grow best in a light, porous soil with considerable lime. Bloom comes in late spring to summer. Clip spent flowers to extend bloom season.
Spiraea densiflora
Native from central SierraNevada to British Columbia. To1–3 ft. high and wide. Ovate toelliptical, dar...
Juglans nigra
Native to eastern North America. High-branched tree to about 100 ft. tall, 70 ft. wide, with round cro...
Mertensia virginica
From eastern U.S. Most widely planted species. To 1–2 ft. high and 1 1/2 ft. wide, with 1-in. flowers....
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