Plant Encyclopedia

Everything about care, pruning, watering and winter hardiness of thousands of plants

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2 plants

Allium douglasii

Douglas' onion is a compact ornamental allium with purple flowers, perfect for rock gardens and sunny borders. Learn care, siting and hardiness.

Allium obliquum

The oblique onion is a hardy ornamental allium with chartreuse flower heads and blue-green foliage. Location, soil and care explained.

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