Achillea millefolium (Devil's Nettle, Common Yarrow)
Botanical Information
| Family | Asteraceae |
| Genus | Achillea |
| Species | millefolium |
| Category | Perennials, Wildflowers & Weeds |
| Origin | Europe, western Asia and North America. |
| Pronunciation |
Details
| USDA Hardiness Zone | 3 - 9 |
| USDA Hardiness Ref. | |
| Canadian Hardiness Zone | 1a |
| Canada Hardiness Ref. | |
| RHS Hardiness Zone | H3 - H7 |
| RHS Hardiness Ref. | |
| Temperature (°C) | -40 - (-1) |
| Temperature (°F) | -40 - (30) |
| Height | 60 - 90 cm |
| Spread | 60 - 90 cm |
| Growth | Fast |
| Flowering Period | June, July, August, September |
Description and Growing Information
| Landscape | Works well in a garden or for ground cover in a low-use, sunny areas. |
| Propagation | By seed or division. |
| Cultivation | Grows in dry, sandy soil in full sunlight. Can tolerate poor soil conditions so long has it is well-drained. |
| Pests | Stem rot, aphids, rust and mildew. |
| Leaf Description | Narrow, fern-like leaves that form a foliage with a strong aroma. |
| Flower Description | Tiny, white flowers that grow in clusters on corymbs on top of the stems. |
Photographs
Scanning electron microscope images of pollen grain.