Petunia Flower Wilting. Petunia flowers once pollinated begin to wilt and die within 24 to 36 hours. 25062020 Cultural Causes of Yellow Leaves on Petunia Petunias need plenty of water but they dont like their petals and leaves to remain wet.
They might look to be too small to do much damage but a serious infestation can impact the fluid levels in your plants again leading to noticeable wilting. Wilting rate was fastest following cross-pollination and slowest in unpollinated flowers. Petunias prefer full sun and will produce the most flowers if.
How to keep petunia blooming.
Ethylene production in the flower increases within 12 hours of. This can cause them to wilt and occasionally discolor. Lack of sun can also lead to the wilting of petunias. Ethylene production in the flower increases within 12 hours of.