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Hardiness: USDA Zone 4a: to -34.4 °C (-30 °F) USDA Zone 4b: to -31.6 °C (-25 °F) USDA Zone 5a: to -28.8 °C (-20 °F) USDA Zone 5b: to -26.1 °C (-15 °F) USDA Zone 6a: to -23.3 °C (-10 °F) USDA Zone 6b: to -20.5 °C (-5 °F) USDA Zone 7a: to -17.7 °C (0 °F) USDA Zone 7b: to -14.9 °C (5 °F) USDA Zone 8a: to -12.2 °C (10 °F) USDA Zone 8b: to -9.4 °C (15 °F)
Sun Exposure: Full Sun
Danger: Parts of plant are poisonous if ingested
Bloom Color: White/Near White
Bloom Time: Mid Summer
Foliage: Grown for foliage Deciduous
Other details: This plant is attractive to bees, butterflies and/or birds Average Water Needs; Water regularly; do not overwater
Soil pH requirements: 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline) 7.9 to 8.5 (alkaline)
Patent Information: Non-patented
Propagation Methods: From seed; direct sow outdoors in fall From seed; winter sow in vented containers, coldframe or unheated greenhouse From seed; stratify if sowing indoors
Seed Collecting: Properly cleaned, seed can be successfully stored
On May 18, 2011, msannthorpe from Evanston, IL wrote:
Three of these have popped up in my yard uninvited, and it looks like they germinated over a two-year period. I've seen a couple of others around the neighborhood, too. It's definitely an interesting-looking tree, but I'm wondering if it might be one of the next great invaders.
On Apr 19, 2011, delbertyoung56m from Medina, NY wrote:
I planted three seeds that I got from Smiths Pond in Lyndonville, NY from a mature and lovely tree which is beside the pond and near Platton Rd. All three seeds have thrived in my Yard on State St in Medina, with one of them planted between curb and sidewalk so that all can enjoy the beauty of the rather sweet gum-like leaves. All are over 6 ft tall, with one being slightly over 15 ft tall since planting in 2001. The stout thorns make them rather interesting to look upon. I was first introduced to this tree when stationed in Seoul, South Korea in 1995, and saw the trees growing wild on Namsan Mountain.
On Nov 19, 2006, lkz5ia from Denison, IA (Zone 5b) wrote:
Bought a little plant last year and it died to the ground. It came back this year. But I gave it a positive because I think it'll become one of my favorite trees. I love the large leaves it has and also the thorns that cover the stem.
This tree is not grown commonly in the Syracuse area. Two specimens at Pass Arboretum reputed to be the only K pictus in the city. Both have been severely damaged from storms.
Foliage very unusual and ornamental.
Staff at the Arnold Arboretum, Boston have complained that it is a nuisance. Thorns on naturalized 'volunteers' make removal difficult.
Plus and minus.
I'll try to find pictures of the foliage.
Regional...
This plant has been said to grow in the following regions:
Palmetto, Georgia Evanston, Illinois Maple Park, Illinois Monticello, Illinois Helena, Montana Fairport, New York Lyndonville, New York Medina, New York Syracuse, New York Cottage Grove, Oregon
2 members have or want this plant for trade.
