Bloom time for Anemone 'Honorine Jobert', commonly known as windflower, or Japanese anemone, is from mid-summer throughout fall. You should get at least 5 weeks of flowering.
'Honorine Jobert' is a herbaceous perennial of the family Ranunculaceae. It has been grown for over a century and was cultivated in France.
Anemone 'Honorine Jobert' can grow in Zones 4 to 8 and can attain a height of 3 to 4 feet and spread of 1.5 to 2 feet.
Best grown in organically rich, humousy, evenly moist, well-drained soils in full sun to part shade. Soil should not be allowed to dry out. Plants are best sited in part shade locations with protection from wind. Foliage tends to burn in hot, dry, sunny summer conditions and the white flowers tend to get washed out. Avoid wet, poorly drained soils, particularly in winter. Anemone 'Honorine Jobert' may be slow to establish, but will naturalize well by spreading rhizomes in optimum growing conditions. Propagate by root cuttings in winter or by division in spring. In good growing conditions it is also know to self-seed. Other than occasional division in the spring, the plants should take care of themselves
"Honorine Jobert' has dark green, deeply cut leaves and the flowers are bright white with a green centre disk circled in yellow stamens. They are 2 to 3 inches in diameter with 6 to 9 overlapping petals. The white flowers are great for brightening up a shady garden or woodland.
Since they are late bloomers, they are great to team with spring-blooming flowers and bulbs. They will help hide the declining leaves of the early blooming flowers and bulbs without crowding them out. Anemone 'Honorine Jobert' also makes a great cut flower. If your plants grow tall and there are no nearby plants to support them, you may need to stake.
There are several insect pests and diseases known to attack Anemone; however, most of them do not cause significant damage.