Magnoliaceae
tulip-tree
Liriodendron tulipifera
Synonyms
Liriodendron tulipifera var. obtusiloba
Liriodendron tulipifera var. tulipifera
Other Common Names
Yellow poplar, whitewood
Plant Type
Large Tree (greater than 25 ft)
Life Cycle
Perennial
Typical Size
80-120 ft. tall
30-60 ft. wide
Inolerant of
Dry Soil, Poorly Drained Soil
Plant Propagation Notes
Seed requires cold moist stratification for 60-90 days. Germination rates may still be low.
Plant Planting Notes
These trees are sensitive to heat, drought, and soil compaction. Root systems are shallow, limiting what can be planted under the drip line.
Plants/Diseases
Numerous insects may feed on the foliage including aphids and scale. Additionally, a number of pathogens effect this tree including verticillium wilt, mold, powdery mildew, leaf spot, and canker.
Wildlife Benefits
Nectar/pollen source for pollinating insects, Host plant for butterfly larvae
Leaves
Leaves alternate, orbicular with four lobes and entire margins.
Flowers
The large flowers are mainly greenish yellow with orange markings, cup-shaped and fragrant with 6 petals.
Fruit
Samara
Bark
Young growth is smooth, but develops deep furrows with age.
Toxicity
No known toxicity.
Ethnobotanical Use
Used for woodworking.

USDA Hardiness Zones
4, 5, 6, 7, 8, 9
Light Exposure
Full Sun
Soil Moisture
Medium, Moist
Soil Drainage
Well-drained
Soil pH
Acidic (less than 6.0)
Native in South Carolina?
Yes
Plant Native Habitat
Grows to 1500m elevation in cove and mesic forests in the mountains. Typically found in bottomland forests and swamps in the coastal plains.
Global Conservation Status (NatureServe)
Secure (G5)
Federal Conservation Status (USFWS)
Not Listed
Distribution Notes
Common throughout South Carolina.
Subspecies
A new variety of Liriodendron tulipifera is currently under study.