Arnold Tulip Tree
Liriodendron tulipifera 'Arnold'
Essentials
At a Glance
Plant Type
Tree
Height
600 inches
Width
180 inches
Light
Full Sun
Zones
4, 5, 6, 7, 8, 9
Water
Medium to wet
Humidity
Moderate
Lifespan
Long-lived tree
Native To
Cultivar of North American native
Toxicity
Non-toxic
The Story
Plant Bio
Liriodendron tulipifera, the Tulip Tree, is a large, fast-growing North American native deciduous tree. It is known for its unique, four-lobed leaves and beautiful, tulip-shaped flowers. 'Arnold' is a cultivar selected for its distinctly narrow, upright, columnar growth habit. It also flowers at a much younger age than the straight species, often within a few years of planting.
Bloom Period:
Uses & Benefits:
Marketplace
Where to Buy
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Planting
How to Grow
- Choose a sunny location with deep, 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 level with the surrounding soil.
- Backfill the hole with the excavated soil.
- Water thoroughly to settle the soil and remove air pockets.
- Apply a 2-3 inch layer of mulch, keeping it off the trunk.
Pro Tip
Provide consistent moisture, as tulip trees are sensitive to drought and may drop leaves prematurely.
Keep It Thriving
Care Guide
Do
- Water deeply during dry periods, especially when young.
- Mulch to conserve soil moisture and regulate temperature.
- Allow ample vertical space for it to reach its mature height.
Don't
- Do not plant in dry, compacted, or alkaline soils.
- Avoid planting in windy, exposed sites as the wood can be brittle.
- Don't plant near overhead power lines due to its height.
Seasonal Care Calendar
| Task | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mulch | ||||||||||||
| Pest Check | ||||||||||||
| 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
Arnold Tulip Tree questions
What zones can Arnold Tulip Tree grow in?
Arnold Tulip Tree is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.
Is Arnold Tulip Tree deer resistant?
Yes — Arnold Tulip Tree is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.
When does Arnold Tulip Tree bloom?
Arnold Tulip Tree typically blooms in late spring through early summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.
Does Arnold Tulip Tree need full sun?
Arnold Tulip Tree does best in full sun (6+ hours).
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Grow Arnold Tulip Tree with confidence
See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.
