Russian Hawthorn
Crataegus ambigua
kray-TEE-gus am-BIG-yoo-uh
Trees: Shade Tree
Zone
2: -50° to -40°
Min. Temp
Frost Tolerant: 24°
Appearance
Summer Foliage
Green
Fall Foliage
Red
Flower Color
White
Blooming Time
Mid Spring - Late Spring
Habit
Rounded
Height
20–40 ft
Spread
20-30 ft
Form
Umbel
Characteristics
Type
Open-Pollinated
Safety
Toxic to Dogs/Cats
Growth Rate
Moderate
Tolerance/Resistance
Cold Hardy
Attracts
Attracts Honeybees & Pollinators; Attracts Birds
Uses/Placement
Screen
Optimal Growing Conditions
Sun Exposure
Full Sun - Part Shade
Soil Texture
Adaptable
Soil Drainage
Adaptable
Soil Moisture
Average to Moist
Soil PH
Slightly Alkaline: 7.0-7.5
PH Tolerance
Prefers slightly alkaline soil
Soil Amendment(s)
Compost
Fertilizer
Moderate Feeder
Fertilizer Formula
Balanced Fertilizer
Fertilizer Timing
Pre-Fruiting
Micronutrients
Trace Minerals Beneficial
Care
Care Level
Low
Behavior and Propagation
Spreading
Moderate Spreader
Propagation Method
Benefits from Pollinators
Propagation Licensing
Open propagation permitted
Division Timing
Rarely Needs Division