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Why won't a peony bloom when kept at home?

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A peony kept at home usually fails to bloom mainly because of improper pruning, dividing too late, cold damage, and pest or disease infestation. You should prune its branches appropriately, divide it at the best time, wait until the spring cold has passed before moving it outdoors, and treat it promptly with pesticides when pests or diseases appear.

1. Improper pruning

1. Cause: Peonies need pruning when their branches grow too vigorously. If you don't prune in time, or prune improperly, they won't be able to bloom.

2. Solution: When pruning, first remove diseased and damaged branches, then cut off the surplus side branches to leave the main branches room to grow and enough nutrients.

2. Divide at the right time

1. Cause: You must choose the right time to divide a peony. If you divide it too late, it won't bloom.

2. Solution: Division should be completed before October. After that time it enters its growing period, when its demand for nutrients is very high; dividing it then easily causes nutrient loss, so October each year is the most suitable time to divide it.

3. Avoid the cold

1. Cause: Peonies are not cold-tolerant. If you move them outdoors too early before the spring cold has passed, they easily catch a chill and fail to bloom.

2. Solution: It is best to move them outdoors in April or May, once the spring cold has passed, so there will be no failure to bloom.

4. Treat pests and diseases

1. Cause: A peony infested with pests or diseases will not bloom.

2. Solution: First observe where the infestation has occurred. If the branches and leaves are infested, use an insecticide on the plant, following the dosage on the instructions. If pests have bred in the potting soil, replace the soil promptly.

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