American Hawthorn

Tree

American Hawthorn

Crataegus mollis

Also known as: Downy Hawthorn, Red Haw

TreeShrub Rosaceae EdibleWildlife AttractorWindbreakerBorder PlantOrnamental
Hardiness Zone
4-8
Ideal Temp
55–75°F
Survives Down To
-30°F
Life Cycle
Perennial

American hawthorn here refers to downy hawthorn (Crataegus mollis), a native North American small tree of woodland edges and pastures, bearing showy white spring blossoms, red fall fruit, and thorny architecture that laughs at casual browsing. It typically grows 20–30 feet (6–9 m) with a rounded crown and rough, scaly bark; fruit is mealy but usable for jellies where traditions still remember how. In permaculture it is a hardy windbreak element, wildlife pantry, and informal hedge species for temperate hedgerows. ☀️💧 Sun and Water Requirements: Full sun to light partial shade; more sun equals denser flowering and heavier fruit. Tolerates a wide soil range if drainage is reasonable; occasional deep watering helps young trees through dry spells. Avoid planting in stagnant low spots that keep roots hypoxic for weeks. ✂️ Propagation: Sow seed after warm-cold stratification cycles typical for the genus—many growers outdoor-sow in fall and wait. Chip or soak hard seeds to improve germination speed. Graft named selections if you require specific fruit traits; seed-grown plants vary. 🌾 Harvest / Best Use Timing: Collect ripe red haws after the first light frost softens tannins for some recipes, or follow regional jelly timing. Screen out stems and insect-damaged fruit before cooking. Prune in late winter to remove crossing branches and improve light inside the crown.

Good Neighbors
  • Black Elderberry — different fruiting time and height stack resources for pollinators and birds
  • American Plum — shares edge ecology and extends fruit succession without identical pest timing
  • Wild Bergamot — understory forbs increase beneficial insect traffic around hawthorn bloom
Cautions
  • Fire Blight — warm wet springs can move bacterial blight through rosaceous blossoms
  • Black Walnut — juglone-tolerant but paired sensitive understory may still sulk
Known Threats — Organic Solutions Only
Apple Maggot
Rhagoletis pomonella
Apple Scab
Venturia inaequalis
Bagworm
Thyridopteryx ephemeraeformis
Blackberry Psyllid
Cacopsylla curvata
Borers
Various (e.g., Cerambycidae, Sesiidae)
Brown Marmorated Stink Bug
Halyomorpha halys
Brown Rot
Monilinia fructicola
Cherry Fruit Fly
Rhagoletis cingulata
Codling Moth
Cydia pomonella
Cyclamen Mite
Steneotarsonemus pallidus
Eastern Tent Caterpillar
Malacosoma americanum
Fall Webworm
Hyphantria cunea
Fire Blight
Erwinia amylovora
Gall Mite
Eriophyidae
Harlequin Ladybird
Harmonia axyridis
Japanese Beetles
Popillia japonica
Leaf Blight
Various Fungal Pathogens
Leaf Spot
Multiple species (e.g., Cercospora, Septoria, Alternaria)
Lesser Peachtree Borer
Synanthedon pictipes
Oriental Fruit Fly
Bactrocera dorsalis
Oriental Fruit Moth
Grapholita molesta
Peach Twig Borer
Anarsia lineatella
Peachtree Borer
Synanthedon exitiosa
Pear Psylla
Cacopsylla pyricola
Plum Curculio
Conotrachelus nenuphar
Raspberry Beetle
Glischrochilus sanguinolentus
Raspberry Cane Borer
Oberea perspicillata
Rose Slug
Endelomyia aethiops
Rust Mite
Eriophyidae
Scale Insects
Coccoidea
Sparganothis Fruitworm
Sparganothis sulfureana
Spittlebugs
Cercopidae
Spotted Lanternfly
Lycorma delicatula
Stink Bug
Pentatomidae
Strawberry Root Weevil
Otiorhynchus ovatus
Tent Caterpillar
Malacosoma spp.
Twig Girdlers
Oncideres spp.
Vine Weevil
Otiorhynchus sulcatus