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PlantFiles: Prickly Poppy
Argemone pleiacantha

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Family: Papaveraceae (pa-pav-er-AY-see-ee) (Info)
Genus: Argemone (AR-ge-mon-ee) (Info)
Species: pleiacantha (plee-uh-KAN-thuh) (Info)

5 members have or want this plant for trade.

Category:
Annuals

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

Spacing:
15-18 in. (38-45 cm)

Hardiness:
Not Applicable

Sun Exposure:
Full Sun

Danger:
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
White/Near White

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

Foliage:
Grown for foliage
Herbaceous
Blue-Green

Other details:
This plant is attractive to bees, butterflies and/or birds
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
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)

Patent Information:
Non-patented

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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Thumbnail #7 of Argemone pleiacantha by Jeff_Beck

There are a total of 15 photos.
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Profile:

4 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive ransom3 On Apr 24, 2013, ransom3 from Zephyrhills, FL wrote:

The Argemones are stunningly beautiful plants.The large flowering white ones are heavenly looking.They are beautiful growing among larkspurs which bloom at the same time.

Positive Xenomorf On Jul 5, 2007, Xenomorf from Valley of the Sun, AZ (Zone 9b) wrote:

Seen growing along the side of the road between Concho & Showlow, Arizona. Apache County, Highway 61, June 30th, mid Summer, zone 6b, elevation 6300 ft.

Positive warp10 On Dec 7, 2004, warp10 from Tucson, AZ wrote:

The foliage is very blue, and deeply serated with nasty spines. My specimen is very erect. I was told that this wildflower is a real keeper in southern AZ.

Positive Crimson On Feb 2, 2003, Crimson from Clarksville, TN (Zone 6b) wrote:

It is so easy to mistake these for weeds before they bloom! They look great mixed with poppy, watch out for those thorns! Ouch!

Regional...

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

,
Concho, Arizona
Prescott Valley, Arizona
Tucson, Arizona
Bradley, Florida
Brooksville, Florida
Zephyrhills, Florida
Roswell, New Mexico
Barberton, Ohio
Arlington, Texas
Bulverde, Texas
Midland, Texas
San Antonio, Texas



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