Tropical White Oak Tree

Quercusinsignis

Family
Fagaceae (fag-AY-see-ee)
Genus
Quercus (KWER-kus)
Species
insignis (in-SIG-nis)
Synonym
Quercus davidsoniae
Quercus schippii
Quercus seibertii
Quercus strombocarpa
Quercus tomentocaulis
Sun Exposure
Full Sun
Foliage
Deciduous
Height
over 40 ft. (12 m)
Spacing
over 40 ft. (12 m)
Hardiness
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Parts of plant are poisonous if ingested
Bloom Color
Green
Bloom Time
Mid Spring
Other Details
Category
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
4.6 to 5.0 (highly acidic)
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
Patent Information
Non-patented
Propagation Methods
From semi-hardwood cuttings
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
By grafting
Seed Collecting
Allow unblemished fruit to ripen; clean and dry seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Jacksonville, Florida

Fort Worth, Texas

Hempstead, Texas

Featured Videos

Gardener's Notes:

1
positive
1
neutral
0
negative
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S
Jacksonville, FL (Zone 9a) | March 2015 | positive

This plant is cold hardier than the range indicates here. A plant has survived two winters in zone 8b in Savannah, Georgia at Armstrong A...Read More

S
Illinois, IL (Zone 5b) | January 2006 | neutral

This tropical oak has the largest of all acorns. The photo was taken near Huatusco, Vera Cruz, Mexico -- the north end of the species' ra...Read More

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