The petals on these flowers will be fully open and you might smell a fetid odor. What you want to look for is male flowers that are shedding pollen. When inspecting trees carry a sealable plastic food bag with you. Once they start blooming they continue to do so for about six weeks or so. How To Pollinate Paw Paw Tree Flowers By Handīeginning in March keep an eye on mature trees for the presence of the upside down maroon flowers. We do this with pomegranate trees and several other types of trees and plants in our own gardens and get way more fruits than if we don't hand pollinate. Whether you have seedling-grown or grafted cultivars, one way to ensure increased pollination and fruit production is by hand-pollination. That said, one can plant various varieties/cultivars for possible increased pollination and fruit yield. And where do the grafted cultivars come from? They come from seedlings that showed unique characteristics and qualities. Some sources say that you must have two grafted varieties for pollination, but this doesn't make sense because how did trees pollinate before man came along to graft specific cultivars? Stark Bros says "You can plant two or more seedling pawpaw trees (grown from seed), which will be able to cross-pollinate one another," which makes more sense as this is how paw paw trees in the wild must've pollinated before grafting came along. Instead, they rely on flies and carrion beetles for pollination, which are not abundantly indigenous throughout the US. One problem with pollination is that bees don't like and will not visit the flowers of paw paw. Based on that maybe 1 out of 100 to 200 flowers will produce fruit, they are considered as self-infertile, though more flowers may pollinate on trees in different areas of the country. ![]() He writes, ”Lurid purple, 1 to2” across… not particularly showy but interesting seldom seen by the uninitiated…”.Regarding pollination of paw paw trees, there is some controversy about whether or not they are self-pollinating. I have always enjoyed Micheal Dirr’s description in his book, “Manual of Woody Landscape Plants“ of the Pawpaw flower. ![]() Note the fuzzy brown bud scales and the green petals of the Pawpaw flowerĪ young Pawpaw flower beginning its color transformation Those green petals transform to become one of the deepest burgundy to an almost black color that is truly magnificent and delicate at the same time. Now this subtle stage is set for the real thrill to happen. If I pay attention and patiently observe those bud scales, the smoothest petals of the exact same green color slip inconspicuously into view. ![]() I love those green, fuzz covered buds, because I know the tremendous color change that awaits. Pawpaw (Asimina triloba) flowers fully coloredīut honestly, that is the real beauty of knowing plants and their potential. Now some may opine that the green, brown fuzz covered bud scales are the reason most people ignore and consequently, miss the real floral display, because the buds seem so uninspiring. As I was in the throes of cutting and baling my overgrown lawn last week in Northeast Ohio, I was pleasantly surprised to see a profuse flower display on my Pawpaw ( Asmina triloba) trees! I can’t recall ever seeing so many buds and blooms on the tree, especially the numbers which were noted this season.
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