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Hardiness: 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)
Sun Exposure: Full Sun
Bloom Color: Purple
Bloom Time: Mid 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: 5.1 to 5.5 (strongly acidic) 5.6 to 6.0 (acidic) 6.1 to 6.5 (mildly acidic)
Patent Information: Patented
Propagation Methods: From softwood cuttings From semi-hardwood cuttings From hardwood cuttings From hardwood heel cuttings From seed; sow indoors before last frost From seed; germinate in a damp paper towel By air layering
Seed Collecting: N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
I enjoy my catawba crepe myrtles here in OKC. They are now 9 years old and are very heat tolerant and able to grow in the extremely dry summers we have had.
On Apr 8, 2011, paani from Saint Louis, MO (Zone 6a) wrote:
has proven hardy here in zone 6a in a north facing semi-sheltered location with 3-4 inch leaf mulching for winter. Has grown to 7' in 3 or 4 years and is very healthy. Older plants in the neighborhood are 10-12 feet tall, 7-8' wide dense shrubs, indicating general hardiness. Zone info. (7a) seems to be too conservative.
On Apr 18, 2008, carol13 from Glen Burnie, MD wrote:
I planted this crepe myrtle about 5yrs ago. It was trouble free till last year. It developed a fungus (that responded to organic spraying). I think it happened because I put up a 6ft privacy fence (staggered-slat design) the year before (about 6 feet from the myrtle) that may have cut down on air circulation. In addition, we had a dry, hot & humid summer. Fingers crossed for this season!
It's a beautiful 15 footer, tho. Light purple (or lilac) & a bee & butterfly magnet; also, the goldfinches eat the spent seedheads in the winter.
On Nov 21, 2004, Kim_M from Hamburg, PA (Zone 6b) wrote:
Very easily grown from seed. It's a beautiful Tree and the color has nothing to do with gardening or it's performance. Purple is Purple..regardless if it's light, dark, or inbetween. We can not neccessarily say "what" color a plant is supposed to be. Everything on God's green earth is subject to change :-D
On Jan 3, 2004, CFMuehling from Southern Maryland United States wrote:
Catawba is supposed to be a dark purple. I was terribly disappointed to find it's a deep lilac instead. If looking for purple, look at a Velma's Royal Delight instead.
Regional...
This plant has been said to grow in the following regions:
Toney, Alabama Chino Valley, Arizona Bakersfield, California Sacramento, California Stockton, California South Lyme, Connecticut Stamford, Connecticut Arden, Delaware Auburndale, Florida Bellview, Florida Cleveland, Florida De Land, Florida Deltona, Florida Hollywood, Florida Port Saint Lucie, Florida Pretty Bayou, Florida Webster, Florida Rincon, Georgia Lacombe, Louisiana Ferndale, Maryland Kettering, Maryland Laytonsville, Maryland Walkersville, Maryland Saint Louis, Missouri Taos, Missouri Roslyn, New York Beulaville, North Carolina Charlotte, North Carolina Spencer, North Carolina Vale, North Carolina Oklahoma City, Oklahoma Royersford, Pennsylvania Simpsonville, South Carolina Buchanan, Tennessee Franklin, Tennessee Alice, Texas Copperas Cove, Texas Fort Worth, Texas Garland, Texas Glenn Heights, Texas Goldthwaite, Texas Victoria, Texas Westover Hills, Texas Saint George, Utah