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Argemone (Prickly Poppy) & Arctomecon (Bearpoppy)

Prickly Poppies (Argemone spp.) are mostly annuals from dryish, rocky sunny sites in from south western USA to Mexico and South America. They are fast growing and display bright colored flowers from late spring to mid summer above mostly glaucous, dissected leaves. They are easily grown in any rich, very well drained soil in a protected spot in full sun. Excellent in the rock garden. Annual species will readily self sow under appropriate conditions.
Bearpoppies are a small genus with three species only (Arctomecon californica, Arctomecon merriamii, and Arctomecon humilis) from the western part of the Mojave Desert, USA. Arctomecon species occur in dry rocky soils in desert areas. They are showy and rarely seen perennials with densely hairy leaf, bluish-green leaf rosettes with white or bright yellow flowers. These desert species require a very well draining soil on a rather unorganic basis and are best grown under glass with protection from winter wetness.
Sow Argemone seeds flat to the final spot in the garden after the last freezing nights in spring at some 15°C to 20°C daytime. Most Argemone will require a cool, yet frostfree period in order to germinate. If seeds are sown too late and/or at constantly high temperature germination will be delayed until following spring. Arctomecon seeds are best sown under controlled conditions in pots at some 10°C to 20°C. A temperature drop at night will significantly enhance germination in all species. If seeds are sown at higher temperatures, they may not germinate.
All are USDA Climate Zone 7/8.
20 seeds per package.
Articles
Arctomecon californica (Las Vegas Bearpoppy)

Arctomecon californica (Las Vegas Bearpoppy)

40cm, Las Vegas Bearpoppy is an exceptionally beautiful perennial species from arid areas in rocky to sandy soil in western USA. It makes a dense basal rosette of densely hairy bluish-green leaves and bright yellow poppy flowers. For any rich, very well drained and rather rocky soil in full sun. Preferably grown under cold glass to protect plants from winter wetness. Seeds from a certified wild collection in Clark County, Nevada, USA, at some 650m. IV-V.
20 seeds per package.

price (plus Shipping Costs)
seed package 7413 € 9,99
Arctomecon merriamii (White Desert Bearpoppy)

Arctomecon merriamii (White Desert Bearpoppy)

30cm, White Desert Bearpoppy is an exceptionally beautiful perennial species from rocky to sandy soil in the Mojave Desert of California and Nevada. It makes a dense basal rosette of densely hairy bluish-green leaves and pure white poppy flowers. For any rich, very well drained and rather rocky soil in full sun. Preferably grown under cold glass to protect plants from winter wetness. Seeds from a certified wild collection in Clark County, Nevada, USA, at some 1.400m. IV-V.
20 seeds per package.

price (plus Shipping Costs)
seed package 7414 € 9,99
Argemone grandiflora (White Large Flowered Prickly Poppy)

Argemone grandiflora (White Large Flowered Prickly Poppy)

70cm, White Large Flowered Prickly Poppy is a most ornamental annual species from Central America. It makes very large, pure white flowers, which last for several days, above spiny, steel bluish-green green leaves. For any rich, well drained soil in full sun. Sow directly to the ground after the last freezing nights by the end of spring. VI-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package8350 € 2,99*
seed package
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.
Argemone hispida (Rough Prickly Poppy)

Argemone hispida (Rough Prickly Poppy)

70cm, Rough Prickly Poppy is an ornamental annual, biannual to shortlived perennial species from Colorado, New Mexico, and Wyoming, USA. It makes large, pure white flowers above bluish-green, deeply dissected leaves. For any rich, well drained soil in full sun. Sow directly to the ground after the last freezing nights by the end of spring. Seeds from a certified wild collection in Albany County, Wyoming, USA at elevation of some 2,150m. VI-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package9340 € 4,99
Argemone hunnemannii (White Chilean Prickly Poppy)

Argemone hunnemannii (White Chilean Prickly Poppy)

70 (120)cm, White Chilean Prickly Poppy is an annual to biannual species from arid areas in South America. It makes showy white to pale lemon yellow flowers above spiny leaves. For any rich, very well drained soil in full sun. Sow directly to the ground after the last freezing nights by the end of spring. VI-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package8943 € 7,99
Argemone mexicana (Mexican Prickly Poppy)

Argemone mexicana (Mexican Prickly Poppy)

30 (50)cm, Mexican Prickly Poppy is an annual species from arid areas in southwestern USA and Mexico. It makes several pale lemon yellow flower cups above spiny greyish green leaves with nicely contrasting white nerves. For any rich, well drained soil in full sun. Sow directly to the ground after the last freezing nights by the end of spring. VI-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package (1,000 seeds)8711 € 9,90
seed package (20 seeds)5225 € 0,99
Argemone polyanthemos (White Prickly Poppy)

Argemone polyanthemos (White Prickly Poppy)

40 (70)cm, White Prickly Poppy is an annual species from arid areas in southwestern USA. It makes several quite large, pure white flower plates above spiny greyish green leaves with nicely contrasting pale green nerves. For any rich, well drained soil in full sun. Sow directly to the ground after the last freezing nights by the end of spring. VI-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package 5450 € 3,99
Argemone sanguinea (Red Prickly Poppy)

Argemone sanguinea (Red Prickly Poppy)

50 (100)cm, Red Prickly Poppy is an annual species from south-western USA. It makes utmost showy rich magenta to pale rose flowers above spiny leaves. For any rich, very well drained soil in full sun. Sow directly to the ground after the last freezing nights by the end of spring. For the first time ever we had a more decent seed harvest in 2019, thus the price could be cut back from formerly € 7.99 to now € 4.99. VI-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package8944 € 4,99
Argemone subfusiformis (Chilean Prickly Poppy)

Argemone subfusiformis (Chilean Prickly Poppy)

70 (120)cm, Chilean Prickly Poppy is an annual species from arid areas in South America. It makes pale yellow flower cups above spiny greyish-green leaves with pale whitish-green nerves. For any rich, well drained soil in full sun. Sow directly to the ground after the last freezing nights by the end of spring. VI-VIII.
20 seeds per package.

price (plus Shipping Costs)
seed package8646 € 1,99*
* This price is valid if a single item is ordered only. The shop will automatically assign discounts on bulk purchases. If several packages are ordered from this species, they will be merged into a single package. Please refer to our General Terms of Business.