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Forsythia Bushes


Zone westfield pa 16950 | Anonymous added on November 13, 2017 | Answered

Why does my forsythia bloom poorly and often has blooms in october . l live in zone 5 in pa

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Answered on November 14, 2017

Do you prune your forsythia annually; it blooms poorly on old wood. Remove 1/3 of the largest diameter central branches to the ground in spring after bloom time. Pruning after July 4th will drastically reduce next year's bloom. Forsythia also requires full sun for best bloom. The wild card is the weather. A warm spell in March followed by a return to freezing temps can ruin flower buds. Sporadic bloom after an early autumn cold snap is not uncommon.

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