Common Pawpaw Custard Apple
Asimina triloba
Annonaceae · broadleaf · introduced
Quick Facts
Height
15–20 ft
Spread
13 ft
Growth Rate
Slow
Light
Part Shade
Soil
Wet Tolerant
Water
Moderate
Hardiness
Zone Zones 5a–8b
Bloom Time
April to May
Fall Color
Yellow
Origin
extends from Ontario, north of Lake Erie
Phenological Calendar
| Stage | Typical Window |
|---|---|
| Bud break BBCH 07 | Feb 15-Mar 15 |
| Leaf emergence BBCH 11 | Mar 1-Apr 1 |
| Bloom start BBCH 61 | Apr 1-Apr 30 |
| Bloom end / petal fall BBCH 69 | Apr 15-May 15 |
| Fruit/seed development BBCH 71 | Mar 15-May 31 |
| Fruit/seed maturity BBCH 85 | Jun 1-Aug 31 |
| Fall color / leaf senescence BBCH 93 | Oct 1-Nov 15 |
| Dormancy BBCH 97 | Nov 15-Feb 28 |
Diseases (15)
Various plant viruses (Blueberry mosaic virus, Blueberry ... Virus Diseases
Venturia inaequalis Scab
Podosphaera aphanis var. aphanis Powdery Mildew
Phytophthora spp Phytophthora fruit rot
Cryptosporiopsis perennans Perennial Canker (Bull's-eye Rot)
Nectria cinnabarina Nectria Twig Blight (Coral Spot)
Neonectria ditissima Nectria Canker (European Canker)
Fruit russet Fruit Russeting
Erwinia amylovora Fire Blight
Cytospora canker Cytospora Canker
Rhizobium radiobacter (formerly Agrobacterium tumefaciens) Crown Gall
Phytophthora cactorum (primary), P Crown and Collar Rot
Non-pathogenic (genetic/physiological) Burrknot
Non-pathogenic (calcium deficiency) Bitter Pit
Neofabraea spp. (N Anthracnose and Bull's-eye rot
Pests (16)
Tentiform leafminer
Malacosoma spp. Tent caterpillar
Tetranychidae Spider mite
Diaspidiotus perniciosus San Jose scale
Nuculaspis californica Lecanium scale
Tortricidae Leafroller
Cicadellidae Leafhopper
Fruittree leafroller
Dermaptera Earwig
Cutworms and Armyworms
Cydia pomonella Codling moth
Halyomorpha halys Brown marmorated stink bug
Apple-and-thorn skeletonizer
Apple maggot
Apple ermine moth
Cinara occidentalis, Cinara abietis Aphid