Name: Alcea rosea cvs.
USDA Hardiness Zones: 3 to 9
Size: 5 to 8 feet tall and 1 to 2 feet wide
Conditions: Full sun; fertile, well-drained soil
From double- to single-flowering plants, hollyhock is back in fashion. It is easy to start from seed and, once established, will self-sow for years. I grow single-flowering types to encourage more pollinators. There’s nothing like watching a fat bumblebee grab the flower and vibrate pollen from it. Sow seed indoors in small pots, press into soil, and lightly cover. You can also direct-sow in the garden and thin to the strongest plant. Hollyhock can be plagued by rust in moist areas, so keep its leaves dry.
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