Mockernut Hickory
Carya tomentosa
- Native to:
- Canada, United States
iNaturalist: © jdbarnettgums (iNaturalist #96971370)






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Juglandaceae
- Genus:
- Carya
- Species:
- Carya tomentosa
- USDA Symbol:
- CATO6
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 2400 cm
- Light Requirements:
- Part Shade
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- yellow-green
Wildlife Benefits
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Walnut Sphinx (Amorpha juglandis)
Reported Fauna Sightings
Moths:Acronicta impleta, Banded Tussock Moth (Halysidota tessellaris), Coptodisca lucifluella, Ectoedemia virgulae, pecan leafminer (Cameraria caryaefoliella), Stigmella caryaefoliella, Yellownecked caterpillar (Datana integerrima)
Garden & Ecology Notes
- Wildlife Value:
- squirrels, deer, turkeys, woodpeckers, black bears
- Fall Color:
- golden-yellow, orange
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Thick bark provides fire resistance. Trees commonly resprout from root collar after top-kill from fire. Historically maintained by periodic fire in oak-hickory forests.
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 5.5 - 7.0 (slightly acidic to neutral)
- Drainage:
- good drainage preferred
- Moisture:
- dry to moderate
- Notes:
- prefers upland areas with deep soils
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–120 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds should be sown fresh in fall or cold-stratified over winter. Germination improves with outdoor stratification where seeds experience natural freeze-thaw cycles.
The above propagation data sourced from Claude AI
Pre-treatment: Seeds are cold stratified for 90 to 150 days
Source: npn.rngr.net