How, When and Why of Forest Farming Website

Pawpaw, hardy

Common NamePawpaw, hardy
Latin NameAsimina triloba
VarietyDavis, Sunflower, Taylor, and Taytwo 
Visual Traits
Flowershowy, maroon; late May; self-incompatibility
Foliage/Fall leaf coloryellow
Fruitclusters of 1-6 fruits; 4-6"; green with white flesh to yellow-black when ripe; ripen mid-Sep to frost
Height15-20 ft
Field preparation and plantingincorporate organic matter
Field spacing / planting depth8'
Hardwood Cuttingsimpossible rooting
Pollinationuse two unrelated plants for pollination; few pollinators, recommend hand pollination
Propagation methodseed, grafting, budding
Pruningprune suckers when young
Seed harvestlate fall
Seed treatment and storagedo not dry or freeze; cold stratification 70-100days
Seedling treatmentrequire shade from germination through first year outdoors; containerized seedling in greenhouse
Softwood cuttingsimpossible rooting
Sowing seedlate fall, germinate following July-Aug or sow in deep containters, 1" deep; germinate 2-3weeks
Transplantdifficult, transplant when young; spring, at time of new growth
Watering guidelinesAt establishment and throughout growing season; deeply in dry conditions
Insect and invertebrate pestspawpaw peduncle borer, zebra swallowtail butterfly
Wildlife Pestsdeer
Fertility / qualityfertile
Moisture and drainagemoist, well-drained; drought intolerant; intolerant to waterlogging
Texturemedium to coarse
Growth Pattern
Fruit bearing age / full crop load5-8y, at 6' height (3y grafted)
Growth rateslow when young
Root habitlong taproot
Habitat and Climate
Fire tolerancemoderately tolerant
Frost-free days (FFD)160
Hardiness Zone5 to 8
Native RangeEastern US, temperate woodlands
Rainfall / humidity9-60", sensitive to low humidity
Wind / ice / frost susceptibilityleaves susceptible to wind dessication
Light recommendationfull sun
Shade tolerancetolerant
Special Notes
Note 1select dark-fleshed cultivars for sweet taste