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Plant Profile: Checkerbloom aka Praire Mallow (Sidalcea malviflora)

Sidalcea malvifloraCheckerbloom is a herbaceous perennial in the mallow family, Malvaceae, that also includes hollyhock, cotton, and okra. It is native to western North America where it grows in chaparral , coastal sage scrub, and similar habitats. The basal leaves are rounded, lobe and up to three inches across while the stem leaves are palmately lobed with five to seven smooth segments. The lilac to pink and rose flowers have five petals, are one to two inches across, and are carried in loose terminal racemes on stout stems during the summer. The plants grow from woody crowns that can be divided in the fall when they die out in the center. Plants like cool climates and do not do well in heat and humidity. A good choice for a meadow garden and flowers are good for the vase.

Type: Herbaceous perennial

Bloom: Lilac to pink and rose flowers one to two inches across with five petals in loose terminal racemes during the summer

Size: 2-5’ H x 3’W

Light: Full sun to light shade

Soil: Average to fertile, moist, well-drained

Hardiness: Zones 5-7

Care: Deadhead to prolong bloom; cut plants to the ground to encourage new foliage; divide to rejuvenate

Pests and Diseases: Japanese beetles

Propagation: Division; species and some cultivars by seed

Companion plants: Yarrows (Achillea), Sea holly (Eryngium) purple coneflower (Echinacea purpurea), baby’s breath (Gypsophila paniculata), ornamental grasses

Outstanding Selections:
‘Brilliant’ (2-2 ½ H, carmine-red flowers)
‘Elsie heugh’ (2-3’ H, pale pink flowers with fringed petals)
‘Loveliness’ (2 ½ H, shell-pink flowers)
‘Mr. Lindbergh’ (2’ H, rosey red flowers)
‘Mrs Anderson’ 3-4’ H, large rose-pink flowers)
‘Oberon’ 2-2 1/2 ‘ H, rose pink flowers)
‘Puck’ (2’ H, clear pink flowers)
‘Rose-Queen’ (3-4’ H, rose-pink flowers)
‘Stark’s Hybrids’ (2-3’ H, pale pink to deep rose flowers)
‘Sussex Beauty’ (3-4’ H, clear pink flowers)
‘William Smith’ (3’ H, salmon flowers)