In 2-3 weeks, and the shoot will emerge in about 2 months. 10″/25 cm), to accommodate the long taproot. Use tall containers, such as tree pots (ht. Soil mix, pH 5.5-7, with an optimum temperature of 75 o– 85 oF (24 o– 29 o C). After stratification the seed should be sown 1 inch (2.5 cm) deep in a well-aerated In this case the cleaned seed should be stored in a plastic ziplock bag withĪ little moist sphagnum moss to keep the seed moist and suppress fungal and bacterial Overwinter the seed will germinate the following year in late July to late August.Īnother way is to stratify the seed in the refrigerator (32 o– 40 o F/0 o– 4 o C).
This may be accomplished by sowing the seed late in the fall and letting it Toīreak dormancy, the seed must receive a period of cold, moist stratification for 70-100ĭays. If seeds are dried for 3ĭays at room temperature, the germination percentage can drop to less than 20%. Do not allow the seed to freeze or dry out, because this can destroy the immature, dormant embryo. Pawpaw seed is slow to germinate, but it is not difficult to grow seedlings if certain In the shade it has a more open branching habit with few lower The Pawpaw tree develops a narrowly pyramidal shape with dense, drooping foliage down In habit it is a small tree, seldom taller than 25 feet. Pawpaws will not thrive in heavy soil or waterlogged The soil should be slightly acid (pH 5.5-7), deep, fertile, and well-drained. May be grown without shade in a greenhouse.) Shading for the first year, and sometimes the second, is normally required outside,Īnd it is for this reason that Pawpaws are almost always found in nature as an understory
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Germinating seedlings, however, will not survive under those conditions because theyĪre extremely sensitive to full sunlight, which can kill them. In open exposure, with some protection from wind (on account of the large leaves). Similar to the area where they will be planted.Īlthough the Pawpaw is capable of fruiting in the shade, optimum yields are obtained In the meantime, forīest results, choose cultivars that were selected in a climatic zone and latitude Is underway to determine which varieties perform best in different parts of the country,Īnd results should become available in the next several years. Which is the northern portion of the Pawpaw’s range. Most named cultivars originated in the Midwest, However, the trees may not receive adequate chilling hours if
Pawpaws grow wild over a wide range of latitude, from the Gulf Coastal plain It canīe grown successfully in USDA plant hardiness zones 5 (-15 o F/-26 o C) through 8 (15 o F/-9 o C). Mild to cold winters, and a minimum of 32 inches (81 cm) of rainfall spread ratherĮvenly throughout the year, with the majority falling in spring and summer. The Pawpaw is a tree of temperate humid growing zones, requiring warm to hot summers,
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