This can happen to petunias without proper pruning. To prevent it, cut back 1/3 of the stems every 10 days. This should keep the leaves from getting oversized and promote flowering on all the stems. Reply
This can happen to petunias without proper pruning. To prevent it, cut back 1/3 of the stems every 10 days. This should keep the leaves from getting oversized and promote flowering on all the stems.