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Hardiness: USDA Zone 3a: to -39.9 °C (-40 °F) USDA Zone 3b: to -37.2 °C (-35 °F) 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)
Sun Exposure: Sun to Partial Shade
Danger: Parts of plant are poisonous if ingested
Bloom Color: White/Near White
Bloom Time: Late Spring/Early Summer
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: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
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
Seed Collecting: Allow pods to dry on plant; break open to collect seeds Wear gloves to protect hands when handling seeds Properly cleaned, seed can be successfully stored
On Sep 26, 2008, nlafrance3 from Edmonton, AB (Zone 3b) wrote:
There are a couple of mature ones growing in Edmonton, AB zone 3a/b that I know of. One downtown has been there for decades and its about 40 feet tall. Beautiful tree that looks like an Ohio buckeye with nice spring flowers.
On Jun 3, 2008, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:
Very uncommon tree species here in the Twin Cities - I have only seen them in tree collections but recently I saw some planted along a street - their distinct white flowering gives them away plus their leaves look like buckeyes but they are not as sensitive as buckeyes. Do anyone know why they are rare?
Their seeds are poisonous and also they grows bigger and taller than buckeyes. I have seen one at St. Cathrine Campus - St. Paul also seem to be decades old - makes one wonder why there was a trend of growing them in the past and then stopped selling them?
On May 9, 2005, doss from Stanford, CA (Zone 9b) wrote:
This tree is very happy in zone 9. It is grown along roads and among other trees. It is very slow to bloom in the spring, flowers coming in May here but staying on the tree a very long time. Seed pods are beautiful and stay from midsummer until late November when they seem to fall all at once, about a month after the leaves fall. They can grow very tall, although very old trees here can be only 30 feet fall, or even smaller if they are planted in the shade. The trunk and limbs are twisted and the bark is interesting, leaving the tree very beautiful when it's dormant.
On Jul 8, 2004, melody from Benton, KY (Zone 7a) wrote:
This tree can get 60' to 75' tall. The compound leaves have 7 to 9 wedge shaped leaflets. The end bud is more than 1/2" long and very sticky. The white flowers are held in clusters that are 6" to 12" long. The fruits have strong thorny husks and ripen in Sept/Oct.
On Aug 1, 2002, smiln32 from Oklahoma City, OK (Zone 7a) wrote:
Originated in the mountains of Greece and Albania. Does not like very dry conditions.
Regional...
This plant has been said to grow in the following regions:
, San Francisco, California Stanford, California Benton, Kentucky Dennis, Massachusetts Milton, Massachusetts Minneapolis, Minnesota Saint Cloud, Minnesota Great Falls, Montana Greenwood Lake, New York Raleigh, North Carolina Cincinnati, Ohio Salem, Oregon Seattle, Washington Spokane, Washington