Northern California Walnut
Juglans hindsii
Also known as: Paradox Hybrid Walnut
- Native to:
- United States
iNaturalist: © scott916 (iNaturalist #6809138)
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Juglandaceae
- Genus:
- Juglans
- Species:
- Juglans hindsii
- USDA Symbol:
- JUHI
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Tree
- Height:
- 3000 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- apr,may
- Bloom Colors:
- greenish-yellow
Wildlife Benefits
- Butterflies & Moths:
- ★☆☆☆☆ Documented Lepidoptera association (GBIF)
- Caterpillars:
- ★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
Fall webworm (Hyphantria cunea), Leconte's haploa (Haploa lecontei), Semiothisa aspirata, Spilosoma vestalis, Western tussock moth (Orgyia vetusta)
Reported Fauna Sightings
Moths:Stigmella longisacca
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fall Color:
- yellow
Soil Requirements
- Soil Type:
- rich, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- consistently moist
- Notes:
- native to riparian zones with periodic flooding
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 60–120 days
- Germination Time:
- 30–90 days
- Notes:
- Seeds require cold stratification for 60-120 days to break dormancy.
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)