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PlantFiles: Oak
Quercus insignis

Family: Fagaceae (fag-AY-see-ee) (Info)
Genus: Quercus (KWER-kus) (Info)
Species: insignis (in-SIG-nis) (Info)

One member has or wants this plant for trade.


over 40 ft. (12 m)

over 40 ft. (12 m)

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)

Sun Exposure:
Full Sun

Parts of plant are poisonous if ingested

Bloom Color:
Chartreuse (Yellow-Green)

Bloom Time:
Mid Spring


Other details:
Average Water Needs; Water regularly; do not overwater

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:

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

Click thumbnail
to view:

By Equilibrium
Thumbnail #1 of Quercus insignis by Equilibrium


1 positive
1 neutral
No negatives

Gardeners' Notes:

Positive southeastgarden On Mar 23, 2015, southeastgarden from Jacksonville, FL (Zone 9a) wrote:

This plant is cold hardier than the range indicates here. A plant has survived two winters in zone 8b in Savannah, Georgia at Armstrong Atlantic State University. Based on its success, I acquired two seedlings to grow in Jacksonville, Florida, zone 9a.

Neutral StarhillForest On Jan 26, 2006, StarhillForest from Illinois, IL (Zone 5b) wrote:

This tropical oak has the largest of all acorns. The photo was taken near Huatusco, Vera Cruz, Mexico -- the north end of the species' range. The acorn came from a large tree about 1 meter in diameter and 30 meters tall.


This plant has been said to grow in the following regions:

Jacksonville, Florida

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