Japanese anemone
Anemone × hybrida
An ornamental plant, planted February to May or September to November.
In September: lift and divide the Japanese anemone. It can be planted now. Wear gloves: touching it may irritate skin.
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Japanese anemone, month by month
Bar: the usual months. Sprout: this month.
| Sowing, planting or job | Sep | Oct | Nov | Dec | 2027Jan | Feb | Mar | Apr | May | Jun | Jul | Aug |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Plant a pot-grown Japanese anemone. | usual | usual | usual | none | none | none | usual | usual | usual | none | none | none |
| Plant a bare-root Japanese anemone. | none | none | none | none | none | usual | usual | usual | usual | none | none | none |
| Cut back the Japanese anemone. | none | none | none | none | none | none | usual | none | none | none | none | none |
| Lift and divide the Japanese anemone. | usual | usual | usual | none | none | none | usual | usual | usual | none | none | none |
| Mulch the Japanese anemone. | none | none | none | none | none | none | usual | usual | usual | none | none | none |
What to do, and when
The usual months for a UK garden. Your own plan gives the week.
Handle it with care
Wear gloves: touching it may irritate skin.
Strong source: RHS.
Planting
Plant a pot-grown Japanese anemone March to May, and September to November, 20 to 30cm apart. Moderate sources: RHS and Farmer Gracy.
Plant a bare-root Japanese anemone February to May, 20 to 30cm apart. Moderate source: Farmer Gracy.
Cut back the Japanese anemone
Snip out dead leaves and old flower stems right at the base, before any new shoots show.
Usually March. Moderate source: RHS.
Lift and divide the Japanese anemone
Every 3 to 4 years, not every year.
Usually March to May, and September to November. Strong source: RHS.
Mulch the Japanese anemone
Spread garden compost over the surrounding soil to add nutrients and hold in moisture.
Usually March to May. Moderate source: RHS.
What the source words mean
Strong: the RHS page for this plant is among them.Moderate: another trusted UK source, or the RHS on its group.
Add Japanese anemone to my plot
Every line above names the page it comes from. Where we found no good source for a job, we left it out. Where the name “Japanese anemone” comes from.