By Leonard Phillips
Trade Name: Emerald City Tulip Tree
Botanical Name: Liriodendron tulipifera ‘JFS-Oz’
Parentage: Cultivar of the native tulip tree, selected by J. Frank Schmidt& Son Co.
Height: 50′ – 60′
Spread: 25′ – 30′
Growth Rate: Fast, 60′ in 30 years, species grow up to 200 years of age
Form: Oval shape, compact branching
Bloom Period: June
Flower: Yellow to greenish yellow with orange center, tree has to be planted for 6 – 10 years before it blooms
Fruit: Cone of samaras, 2″ – 3″ long that turn brown in October dry pods persistent through winter
Spring Color: Mid green, leaves emerge like a flag shape before unfolding into a squarish shape
Summer Foliage: Deep green in summer
Autumn Foliage: Bright clear yellow
Winter Interest: Bark and seed cones provide winter interest
Bark: Grayish brown areas with furrows
Habitat: Grows well throughout most of the U.S.
Culture: Prefers rich, moist, well drained sandy soil, will not tolerate clay soil or drought, full sun
Pest Problems: Several minor problems, aphids cause sooty mold fungus making the leaves unsightly
Storm Resistance: Fair, may break up in ice and severe storms
Salt Tolerance: Poor
Planting: Transplant B&B, or by container in spring, difficult to plant bare root
Propagating: Must be grafted to species seedlings
Design Uses: Specimen for lawn, park, and residential use
Companions: Use with evergreen groundcovers
Other Comments: Excellent tree for special locations, uniform growing selection with straight, upright central leader
Available from: Many large retail nurseries.
* For information about the USDA Hardiness Zone Map, visit: http://www.usna.usda.gov/Hardzone/index.html
These are the personal observations of the author, living in New England – Zone 6.
Leonard Phillips can be reached via e-mail at firstname.lastname@example.org
Photos provided by J. Frank Schmidt & Son Co.