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Hardiness: 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)
Sun Exposure: Full Sun
Danger: Seed is poisonous if ingested Parts of plant are poisonous if ingested
Bloom Color: Pink Red Bright Yellow White/Near White
Bloom Time: Mid Summer
Foliage: Grown for foliage Evergreen Herbaceous Smooth-Textured
Other details: May be a noxious weed or invasive Drought-tolerant; suitable for xeriscaping Self-sows freely; deadhead if you do not want volunteer seedlings next season
Soil pH requirements: 6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral) 7.6 to 7.8 (mildly alkaline)
On Aug 19, 2008, robcorreia from San Diego, CA (Zone 10b) wrote:
These are very pretty and smell great at night! The red "glows"!
They pretty much take care of themselves, and I find it very usefull that they self seed.
On Aug 27, 2007, Lily_love from Central, AL (Zone 7b) wrote:
It seem to be a herbacious perennial here in my zone. For the plant upon returning its second year and its performance, appear much bigger, stronger than the few scattered seedlings that I've observed. Not at all invasive in MHO, seedlings usually are found in close proximity of the parents plants, thus pulling up is an easy task, and sharing them with others, is a joy. This was given to me as a start; the tradition will continue; pass-a-long plants. (I assumed that this is 'Red Glow' since, the owner that passed this beauty to me didn't know its name). Bright orchid pink?
On Oct 18, 2005, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:
My Red Glow Four O'clock developed by itself and is a mutation of all the other colors being crosspolinated by nature.
I have white, yellow, light pink, medium pink, fuchia, red, and varigated yellow with fuchia or red.
I think they are all beautiful, and their scent is amazing.
On Jan 16, 2005, LilyLover_UT from Ogden, UT (Zone 5b) wrote:
This is my favorite Four O'Clock. The gorgeous color reminds me of fruit punch, and the flowers stay open longer than other varieties I've tried.
It self-sows prolifically, but I don't consider it invasive. The seedlings are easy to pull up, and the plants are not always hardy here in zone 5, although they will survive the winter if planted in a warm location like the south side of the house.
On Jul 20, 2003, margu from Los Angeles, CA (Zone 9a) wrote:
I give this plant a neutral rating because, as beautiful and easy to grow as it is, it is VERY INVASIVE. It self-sows freely and spreads like wildfire. New plants literally sprout up overnight, and within 2 to 3 days are at least 7 inches high. It takes constant vigilance to keep it (barely) under control. But it is beautiful, and you can certainly fill up a lot of empty space very quickly! I "inherited" this plant with a new house, and now I spend more time weeding the 4 o'clocks then I do the weeds!
Regional...
This plant has been said to grow in the following regions:
Vincent, Alabama Bloomington, California Elk Grove, California Los Angeles, California San Diego, California Debary, Florida Orange Springs, Florida Satellite Beach, Florida Hawkinsville, Georgia Shawnee Mission, Kansas Denham Springs, Louisiana Pineville, Louisiana Arlington, Massachusetts Henderson, Nevada Council Hill, Oklahoma Brookings, Oregon Mercer, Pennsylvania North Augusta, South Carolina Arlington, Texas Brazoria, Texas Dallas, Texas Deer Park, Texas Fort Worth, Texas Rowlett, Texas Hildale, Utah Provo, Utah Salem, Virginia Meadow Creek, West Virginia
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