Tulip Tree

Liriodendron tulipifera

A pink flower in a tree with a blue sky in the background

A magnificent native shade tree with unique tulip-shaped leaves and stunning orange-yellow tulip-like flowers in late spring. This fast-growing giant is one of the tallest native trees in North America, creating impressive vertical presence in the landscape. The distinctive four-lobed leaves turn brilliant golden-yellow in fall, making it a showstopper in autumn gardens.

Sun

Full sun

☀️

Zones

4–9

USDA hardiness

🗺️

Height

80-120 feet

📏

Planting Timeline

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Transplant
Transplant

Showing dates for Tulip Tree in USDA Zone 7

All Zone 7 shade-tree

Zone Map

Click a state to update dates

CANADAUSAYTZ3NTZ3NUZ3BCZ8ABZ3SKZ3MBZ3ONZ5QCZ4NLZ4NBZ5NSZ6PEZ6AKZ3MEZ4WIZ4VTZ4NHZ5WAZ7IDZ5MTZ4NDZ4MNZ4MIZ5NYZ6MAZ6CTZ6RIZ6ORZ7NVZ7WYZ4SDZ4IAZ5INZ6OHZ6PAZ6NJZ7DEZ7CAZ9UTZ5COZ5NEZ5ILZ6WVZ6VAZ7MDZ7DCZ7AZZ9NMZ7KSZ6MOZ6KYZ6TNZ7NCZ7SCZ8OKZ7ARZ7MSZ8ALZ8GAZ8TXZ8LAZ9FLZ9HIZ10

Tulip Tree · Zones 49

What grows well in Zone 7?

Growing Details

Difficulty
Moderate
Spacing40-60 feet from structures
SoilDeep, rich, well-drained soil
pH6.0-7.0
WaterHigh — consistent moisture needed
SeasonSpring and Summer
FlavorN/A
ColorBright green unusual shaped leaves, golden yellow fall color
Size70-90 feet tall, 35-50 feet spread

Zone-by-Zone Planting Calendar

ZoneIndoor StartTransplantDirect SowHarvest
Zone 4June – July
Zone 5May – July
Zone 6May – July
Zone 7May – June
Zone 8April – June
Zone 9March – May

Complete Growing Guide

Light: Full sun (6 or more hours of direct sunlight a day). Soil: Loam (Silt). Soil pH: Acid (<6.0). Drainage: Good Drainage, Moist, Occasionally Dry. Height: 80 ft. 0 in. - 120 ft. 0 in.. Spread: 30 ft. 0 in. - 60 ft. 0 in.. Spacing: 24-60 feet, more than 60 feet. Growth rate: Rapid. Maintenance: Low. Propagation: Grafting, Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

The tree produces an aggregate of samaras (2 to 3 inches long, 3/4 of an inch wide) which turn brown and separate at maturity throughout the winter. Fruit is available September-October.

Color: Brown/Copper. Type: Samara. Length: 1-3 inches. Width: < 1 inch.

Harvest time: Fall

Storage & Preservation

Tulip Trees do not produce edible fruit or require post-harvest storage for consumption. However, if collecting seeds for propagation, store stratified seeds in moist sand or vermiculite in refrigerated conditions (35-40°F) for 60-90 days before spring planting. Keep the medium slightly moist but never waterlogged, and check monthly for mold growth, removing any affected seeds.

If collecting fresh seed without stratification, store dry seeds in paper envelopes in a cool, dry location until the next season. Some gardeners preserve the distinctive papery seed pods (samaras) in dried arrangements—simply air-dry fallen seeds on screens in a cool, well-ventilated space for 2-3 weeks before storing in cardboard boxes.

For tree maintenance, preserve cut branches by submerging hardwood cuttings taken in late winter in damp peat moss and refrigerating for potential propagation attempts (though Tulip Trees root with difficulty, this method is rarely successful compared to seed propagation).

History & Origin

Origin: Southern Ontario to North Central and Eastern United States

Advantages

  • +Attracts: Bees, Butterflies, Hummingbirds, Pollinators, Small Mammals, Songbirds
  • +Fast-growing
  • +Low maintenance

Companion Plants

The shade-tolerant understory plants are your best bet once the canopy fills in: hostas, ferns, wild ginger, and trillium all handle the dry shade that develops 10-15 years out. Azaleas and rhododendrons share the preferred pH range of 6.0-7.0, so they won't require separate soil management. Black walnut is the one to keep well off the property — juglone from Juglans nigra root exudates is genuinely toxic to young tulip trees, not just a mild suppressor. Norway maple is a different problem: its shallow, dense root mat at 12-18 inches will physically crowd out any underplanting you've tried to establish.

Plant Together

+

Hostas

Thrives in dappled shade under tulip tree canopy, complementary root systems

+

Ferns

Natural woodland companions, flourish in filtered light and leaf mulch

+

Azaleas

Prefer acidic soil created by decomposing tulip tree leaves

+

Rhododendrons

Benefit from partial shade and acidic leaf litter, shallow roots don't compete

+

Wild Ginger

Native understory plant that thrives in tulip tree's natural habitat conditions

+

Trillium

Spring ephemeral that completes cycle before full tree canopy develops

+

Coral Bells

Shade-tolerant perennial that benefits from protection of tree canopy

+

Astilbe

Prefers partial shade and moist conditions often found under mature trees

Keep Apart

-

Black Walnut

Produces juglone toxin that can inhibit tulip tree growth and health

-

Eucalyptus

Allelopathic compounds suppress growth of nearby trees including tulip trees

-

Norway Maple

Dense shallow roots and heavy shade compete aggressively for resources

Pests & Disease Resistance

Resistance

Generally disease resistant

Common Pests

Tulip tree scale, aphids, tulip tree weevil

Diseases

Verticillium wilt, canker diseases, sooty mold

Troubleshooting Tulip Tree

What you'll see, why it happens, and what to do about it.

Black, sooty coating on leaves and branches, often sticky to the touch

Likely Causes

  • Sooty mold (Capnodium spp.) growing on honeydew secreted by aphids or tulip tree scale (Toumeyella liriodendri)
  • Heavy aphid or scale infestation on upper branches dripping honeydew onto lower surfaces

What to Do

  1. 1.Treat the insect source first — spray aphid colonies with a strong stream of water or apply insecticidal soap to accessible branches
  2. 2.For tulip tree scale, apply horticultural oil in late summer when crawlers are active (check NC State Extension timing for your zone)
  3. 3.Once the insects are controlled, the sooty mold weathers off on its own within a season
Scattered branch dieback starting in the upper canopy, with leaves wilting and turning brown without dropping cleanly

Likely Causes

  • Verticillium wilt (Verticillium dahliae or V. albo-atrum) — soil-borne fungus that colonizes the vascular system
  • Canker diseases (Botryosphaeria spp.) entering through wounds or drought-stressed tissue

What to Do

  1. 1.Prune out dead branches at least 6 inches below any visible staining in the wood; sterilize your saw between cuts with 70% isopropyl alcohol
  2. 2.Avoid planting tulip trees in beds where Verticillium-susceptible crops (tomatoes, eggplant, strawberries) have recently grown
  3. 3.Water deeply during dry spells — stressed trees are dramatically more vulnerable to both diseases, and a 2-3 inch mulch layer over the root zone helps hold soil moisture between rains
Notched or chewed leaf margins on new growth in spring, sometimes with small holes punched through the leaf blade

Likely Causes

  • Tulip tree weevil (Odontopus calceatus) — adults feed on emerging leaves and can skeletonize young foliage in heavy years
  • Occasional feeding by Japanese beetle (Popillia japonica) on mature leaves mid-summer

What to Do

  1. 1.On established trees over 20 feet, weevil damage is cosmetic and no treatment is needed — the tree outgrows it by July
  2. 2.For young nursery transplants under 10 feet, hand-pick weevils in the early morning when they're sluggish, or apply a pyrethrin-based spray if populations are heavy
  3. 3.Avoid broad-spectrum insecticides during bloom — tulip trees pull in native bees, and the trade-off isn't worth it
Yellowing leaves with green veins (interveinal chlorosis), most visible on newer growth

Likely Causes

  • Iron or manganese deficiency caused by soil pH above 7.0 — both nutrients lock up as pH climbs
  • Compacted or waterlogged soil restricting root function and nutrient uptake

What to Do

  1. 1.Test your soil pH — if it reads above 7.0, work elemental sulfur into the root zone and retest in 60 days
  2. 2.Mulch 3-4 inches deep with wood chips out to the drip line to improve soil structure and buffer moisture; keep mulch off the root flare
  3. 3.Don't site a tulip tree in low spots where water pools for more than 24 hours after rain — they need consistent moisture, not standing water

Frequently Asked Questions

How tall does a Tulip Tree grow and how fast?
Tulip Trees are among the fastest-growing shade trees, adding 3-4 feet annually when young under ideal conditions. Mature height ranges 120-190 feet with a 40-50 foot spread, making them one of North America's tallest hardwoods. In average landscape conditions, expect a 50-60 foot specimen within 30-40 years. Growth slows after 60-80 years as the tree matures, but height continues increasing throughout its 300+ year lifespan.
When do Tulip Trees flower and what do the flowers look like?
Tulip Trees bloom in late spring (May-June, depending on latitude) with stunning tulip-shaped flowers borne in the upper canopy. Flowers are greenish-yellow with orange bases, resembling tulip blossoms—hence the common name. Individual flowers last 1-2 weeks, and peak bloom occurs when leaves are already partially developed. Young trees (under 12-15 years) flower sporadically; mature trees produce abundant blooms annually.
Can I grow a Tulip Tree from seed?
Yes, Tulip Trees propagate reliably from seed with proper cold-stratification. Collect papery winged seeds in autumn, then stratify in moist sand in a refrigerator for 60-90 days before spring planting. Sow seeds 1/4 inch deep in well-prepared soil and maintain consistent moisture. Germination occurs within 2-3 weeks. Seed-grown trees develop stronger root systems than nursery specimens, though they require 12-15 years before producing flowers.
What's the difference between Tulip Trees and Magnolias?
Both are large spring-flowering shade trees, but they're botanically distinct. Tulip Trees (Liriodendron tulipifera) have unique four-lobed leaves shaped like cat faces and greenish-yellow tulip-shaped flowers that appear after partial leaf emergence. Magnolias have entire, elongated leaves and larger, cup-shaped flowers blooming before leaves emerge. Tulip Trees are faster-growing, taller at maturity, and native to eastern North America, while most ornamental Magnolias are Asian hybrids or species.
Are Tulip Trees good for small yards?
No—Tulip Trees require substantial space. At maturity, they reach 120-190 feet tall with 40-50 foot spreads, making them unsuitable for most residential lots smaller than 1 acre. Plant them 40-50 feet from structures, utilities, and neighboring trees. However, younger specimens (under 40 feet) provide beautiful seasonal interest for 30-40 years before outgrowing average yards. Consider smaller shade trees like Crape Myrtle or Redbud if space is limited.
Do Tulip Trees have pest or disease problems?
Tulip Trees are generally disease-resistant but occasionally suffer from tulip tree scale, aphids, and weevils causing cosmetic defoliation without serious harm. More concerning is verticillium wilt, a soil-borne fungus that can be fatal in infected soils. Avoid planting in areas where infected trees were previously removed. Canker diseases and sooty mold occur rarely. Healthy, established trees in well-drained soil resist most problems; stressed, newly-planted trees are more vulnerable.

Growing Guides from Wind River Greens

Where to Buy Seeds

Sources & References

External authority sources used in compiling this guide.

See the Methodology page for how this data is sourced, what's AI-assisted, and known limitations.

More Shade Trees