American Beech

Fagus grandifolia

Fagaceae · broadleaf · introduced

Quick Facts

Height

80 ft

Spread

32 ft

Growth Rate

Slow

Light

Part Shade

Soil

Wet Tolerant

Water

Moderate

Hardiness

Zone Zones 3a–8b

Bloom Time

April to May

Origin

from New Brunswick to Ontario, south to Florida and Texas

Phenological Calendar

Stage	Typical Window	What to Look For
Bud break BBCH 07	Feb 15-Mar 15	Buds swelling and beginning to open; first green tissue visible
Leaf emergence BBCH 11	Mar 1-Apr 1	First leaves fully unfurled on new growth
Bloom start BBCH 61	Apr 1-Apr 30	First open flowers visible; flowers yellow
Bloom end / petal fall BBCH 69	Apr 15-May 15	Last petals falling; flower structures fading
Fruit/seed development BBCH 71	Jun 1-Aug 31	Fruit or seed structures forming; fruit color: brown
Fruit/seed maturity BBCH 85	Sep 1-Nov 30	Fruit fully colored and ripened; seed dispersal may begin
Fall color / leaf senescence BBCH 93	Oct 1-Nov 15	Leaves changing color; fall display beginning
Dormancy BBCH 97	Nov 15-Feb 28	Leafless; no active growth; dormant buds set

Diseases (1)

Pests (2)

Cinara occidentalis, Cinara abietis Aphid

Lepidosaphes ulmi Oystershell scale