PlantFiles: Chitalpa X Chitalpa tashkentensis 'Pink Dawn'
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Hardiness: 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) 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)
On Jun 16, 2012, ScarletRed from El Paso, TX wrote:
I see many of these growing in the El Paso area, they have blooms from early spring till our "winter" months. They like sand and do not require much watering which is evident by them spreading into the desert.
I actually dug two up from the desert and planted them into my yard. They grow fast as well. I noticed that the ones in the desert have a much darker purple color flower and a rough bark compared to those which live in people's yard or city landscape where they receive regular water. In fact the ones I got fom the desert have lighter flowers now in their new home and a smoother bark than their rough gnarly barked relatives still in the desert.
They have a tap root system that goes quite deep. Even the very small specimen I got was a struggle to remove despite the powdery desert sand I live in.
Today I purchased a large multitrunk Chipalta from Lowes. According to a local nursery owner you can control the type of canopy these trees have. If you let them grow on their own without any prunign they will have a specked shade because the braches and stems spread out so much. If you prune them you will get a much denser canopy sinc ethe branches and stems will grow much thicker.
I could get into the biology of why this happens when you cut the apex of a limb off and how plant hormones work, but I already wrote a lot. :)
This plant has been said to grow in the following regions:
Lincoln, Golden Valley, Arizona Maricopa, Arizona (2 reports) Yuma, Arizona Bonsall, California Mission Canyon, California Mountain View, California Ridgecrest, California San Leandro, California Wichita, Kansas Lansing, Michigan Pahrump, Nevada Reno, Nevada Albuquerque, New Mexico Clovis, New Mexico El Reno, Oklahoma Parkesburg, Pennsylvania Bellmead, Texas El Paso, Texas Lexington, Virginia