Plant Encyclopedia
Everything about care, pruning, watering and winter hardiness of thousands of plants
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2 plants
Rosinweed (Silphium integrifolium): complete guide
Silphium integrifolium
All you need to know about Silphium integrifolium, the rosinweed - a towering prairie perennial for sunny, drought-prone borders. Growing tips for UK gardeners.
12 min
Silphium laciniatum: complete guide
Silphium laciniatum
Discover the Compass Plant (Silphium laciniatum), a dramatic native perennial with large yellow flowers and unique leaf orientation.
12 min