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PlantFiles: Wild Four O'Clock, Heartleaf Four O'Clock, Nightblooming Four O'Clock
Mirabilis nyctaginea

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Family: Nyctaginaceae (nyk-taj-i-NAY-see-ee) (Info)
Genus: Mirabilis (mih-RAB-ih-liss) (Info)
Species: nyctaginea (nyk-ta-JEE-nee-uh) (Info)

Synonym:Allionia nyctaginea
Synonym:Mirabilis collina
Synonym:Oxybaphus nyctagineus

One vendor has this plant for sale.

8 members have or want this plant for trade.

Category:
Perennials

Height:
24-36 in. (60-90 cm)

Spacing:
18-24 in. (45-60 cm)

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)
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)

Sun Exposure:
Full Sun

Danger:
All parts of plant are poisonous if ingested

Bloom Color:
Pink
Fuchsia (Red-Purple)

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall

Foliage:
Herbaceous

Other details:
May be a noxious weed or invasive
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
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)

Patent Information:
Non-patented

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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There are a total of 9 photos.
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Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Terry On Jul 29, 2003, Terry from Murfreesboro, TN (Zone 7a) wrote:

Native to North America, this hardy perennial is a pest to farmers, as it disperses viable seed each year, as well as having a hardy, persistant tap root.

Its heart-shaped leaves are reminiscent of those of Syringa (lilac) shrubs; hence one of its common names.

Regional...

This plant has been said to grow in the following regions:

Barbourville, Kentucky
Bay City, Michigan
Erie, Michigan
Minneapolis, Minnesota
Cole Camp, Missouri
Columbia, South Carolina
Austin, Texas
Hondo, Texas
Mcallen, Texas
San Antonio, Texas



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