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Purple Poppy Mallow is a very rare native plant that produces a non-stop show of attractive, cup-shaped, wine red flowers with white centers from June through to September!
Its trailing stems are perfect for hanging over walls and it makes an excellent ground cover. Very drought-tolerant and easy to grow in well-drained soils, Callirhoe involucrata
is a valuable plant for hot south or west facing gardens. It is also the larval host and/or nectar source for the Gray Hairstreak Butterfly (Strymon melons).
Perfect for Rock Gardens!
Cold, moist stratification. Start at least 5 weeks before outdoor night temperatures are reliably in the 10 C (50 F) range. Mix the seed with a slightly moistened,
sterile, soil-less growing mix. Put this in a labelled, sealed plastic bag and store in a refrigerator for one day. The next day place this in the freezer for one day.
Repeat this for one week, alternating between the fridge and the freezer. After stratifying, plant seed 0.32 cm (1/8 inch) deep in pots. Keep moist but not soggy and
very warm (21 C - 70 F). When seedlings are 5 cm (2 inches) tall or more, transplant into the garden spaced 30 cm (1 foot) apart.
Plant seed 3 mm (1/8 inch) deep in a prepared seed bed in late fall so that the seed overwinters and germinates naturally in spring.
In late fall through to mid-winter fill plastic pots with a slightly moistened, sterile,
soil-less growing mix. Place seed on the surface of the growing mix and label the pots. Place the pots outdoors in an
area where they will experience the snow and cold of winter. The seed will germinate in the pots in spring as the weather
warms up. Be sure to water the pots regularly in spring and once the plants are 5 cm (2 inches) tall, transplant them
into your garden.