
Pin Oak
Quercus palustris
Essentials
At a Glance
Plant Type
Tree
Height
720 inches
Width
420 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8
Water
Moderate to high
Humidity
Moderate
Lifespan
80-120 years
Native To
Eastern and Central North America
Toxicity
Toxic to horses if large quantities of acorns are ingested
The Story
Plant Bio
A large, fast-growing deciduous shade tree native to eastern North America, easily recognized by its pyramidal shape and unique branching pattern with drooping lower branches. The species is particularly noted for its deeply incised, glossy green leaves that turn a beautiful russet-red in autumn and its tolerance of wet soils, making it a valuable landscape tree for challenging sites.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Choose a site with full sun and acidic, moist, well-drained soil.
- Dig a planting hole two to three times wider than the root ball.
- Set the tree so its root flare is slightly above the surrounding grade.
- Backfill with the original soil, ensuring no air pockets remain.
- Water deeply and apply a 3-inch layer of mulch over the root zone.
- Provide consistent water for the first two years to establish.
Pro Tip
Avoid planting in high pH (alkaline) soils, as it will develop iron chlorosis, causing yellow leaves with green veins.
Keep It Thriving
Care Guide
Do
- Plant in acidic soil (pH 5.0-6.5) for best performance.
- Provide ample space for its large mature size.
- Water during extended periods of drought.
- Prune off the characteristic low-hanging branches if they impede traffic.
Don't
- Do not plant in alkaline soils or near concrete leaching lime.
- Avoid heavy fertilization, which can lead to weak growth.
- Don't prune during the growing season to avoid oak wilt risk.
- Do not compact the soil over the root zone with heavy equipment.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fertilize | ||||||||||||
| Plant | ||||||||||||
| Prune |
Watch Out For
Pests & Diseases
Common Pests
Common Diseases
In the Garden
Landscape Uses & Companions
Landscape Uses
Companion Plants
Multiply
Propagation Methods
Good to Know
Common Questions
Pin Oak questions
What zones can Pin Oak grow in?
Pin Oak is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Pin Oak deer resistant?
Yes — Pin Oak is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Pin Oak bloom?
Pin Oak typically blooms in mid-spring through late spring. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Pin Oak need full sun?
Pin Oak does best in full sun (6+ hours).
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