Photo: nekonoir on Flickr — CC BY-SA 2.0 · source
Survives zone 5 through 8
Harvest calendar
Best planted in early spring after your last frost, or in fall before the ground freezes, depending on your climate.
Chinese white pine nuts are large (10–16 mm), rich and resinous, and eaten as a delicacy across central China — but the species carries a well-documented catch: it is the recognized trigger behind 'pine mouth,' the bitter, metallic taste disturbance reported after eating pine nuts (often Chinese-sourced blends) sold in the West.
- Hardiness
- Zone 5–8
- Habit
- Tree
- Edible part
- Nut
- Ripens
- Autumn (cones)
- Mature size
- Tree 20–35 m — not containerable for cropping
- Light
- Full sun — cone/seed set needs sun
- Soil pH
- 5.0–7.0
- Environment
- Montane
- Native range
- Central and southwestern China — Sichuan, Yunnan, Shaanxi, Gansu, Guizhou, Hubei and neighboring provinces — plus Taiwan and northern Myanmar, at 1,000–3,300 m elevation.
- Status
- Both wild and cultivated
- Years to fruit
- 10+ yrs
- Growth speed
- Slow to moderate — about 15–30 cm of height per year, 1.5–3 m in the first decade.
- Spacing
- 600 cm (236 in) apart — about 36 m² (388 sq ft) per plant
- Leaf shape
- Needles in fascicles of five, slender and often drooping, 8–20 cm long, bright to blue-green.
- Root system
- A deep taproot from the first year, later joined by wide laterals near the surface — the combination that lets these pines hold rocky, droughty ground where little else will. The taproot is also why container-grown plants must go out young: a spiralled root never recovers.
- Fruit description
- Cones are large, 9–22 cm long with stout, thick scales, maturing about 18 months after pollination. Seeds are large (10–16 mm), essentially wingless, and spread by nutcrackers rather than wind; the kernel has a distinctive resinous edge.
- Propagation
- By seed, which — like most white pines — benefits from about 60–90 days of cold, moist stratification before spring sowing; grafting is used only to fix particular ornamental or bonsai selections.
- Pollination
- Monoecious, wind-pollinated — plant more than one
The edible parts listed above are a starting point, not a field guide. Identify a plant with certainty — ideally against a local authority — before eating any part of it, and read the full disclaimer. Spotted something wrong? Report it.
Growing guide
Fertilizing. Adapted to lean mountain soils; established trees need little supplemental feeding beyond a light spring application of balanced, slow-release fertilizer for young plantings, with good drainage mattering more than fertility.
Growing tips. A large forest tree (20–35 m at maturity) that needs full sun and room to spread, not a small-garden subject. Growth is slow to moderate (roughly 15–30 cm of height per year). It is reputed to be relatively resistant to white pine blister rust, unlike many American five-needle pines, and tolerates some drought once established; cones mature about 18 months after pollination.
Grow journal
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