Four O'Clock, Marvel of Peru 'Red Glow'

Mirabilisjalapa

Family
Nyctaginaceae (nyk-taj-i-NAY-see-ee)
Genus
Mirabilis (mih-RAB-ih-liss)
Species
jalapa (juh-LAP-a)
Synonym
Mirabilis jalapa subsp. lindheimeri
Mirabilis lindheimeri
Sun Exposure
Full Sun
Foliage
Grown for foliage
Evergreen
Herbaceous
Smooth
Height
36-48 in. (90-120 cm)
Spacing
15-18 in. (38-45 cm)
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)
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
Other Details
Category
Annuals
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
From seed; sow indoors before last frost
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Collect seedhead/pod when flowers fade; allow to dry
Regional

This plant is said to grow outdoors in the following regions:

Vincent, Alabama

Bloomington, California

Elk Grove, California

Eureka, California

Los Angeles, California

Oak View, California

San Diego, California

Debary, Florida

Orange Springs, Florida

Satellite Beach, Florida

Hawkinsville, Georgia

Shawnee Mission, Kansas

Denham Springs, Louisiana

Pineville, Louisiana

Arlington, Massachusetts

Halifax, Massachusetts

Hattiesburg, Mississippi

Raleigh, North Carolina

Council Hill, Oklahoma

Brookings, Oregon

Harbor, Oregon

Nyssa, Oregon

Mercer, Pennsylvania

Florence, South Carolina

North Augusta, South Carolina

Nashville, Tennessee

Westmoreland, Tennessee

Arlington, Texas

Baytown, Texas

Brazoria, Texas

Dallas, Texas

Deer Park, Texas

Fort Worth, Texas

Rowlett, Texas

Hildale, Utah

Magna, Utah

Salt Lake City, Utah

Salem, Virginia

Oroville, Washington

Meadow Creek, West Virginia

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Gardener's Notes:

5
positives
1
neutral
0
negative
Sort By:
Sort By:
T
Keremeos, BC (Zone 6b) | November 2010 | positive

Zone 6B - This variety is the 'Wow' plant in my gardens. It combines nicely with Amaranth Hopi Dye behind it. Yes, it produces a lot of ...Read More

R
San Diego, CA (Zone 10b) | August 2008 | positive

These are very pretty and smell great at night! The red "glows"!
They pretty much take care of themselves, and I find it very usef...Read More

L
Central, AL (Zone 7b) | August 2007 | positive

It seem to be a herbacious perennial here in my zone. For the plant upon returning its second year and its performance, appear much bigg...Read More

F
Josephine, Arlington, TX (Zone 8a) | October 2005 | positive

My Red Glow Four O'clock developed by itself and is a mutation of all the other colors being crosspolinated by nature.
I have whi...Read More

L
Ogden, UT (Zone 5b) | January 2005 | positive

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'...Read More

M
M
Los Angeles, CA (Zone 9a) | July 2003 | neutral

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...Read More

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