Alphabetical Plant Listing

Platystemon californicus (Creamcups)

Creamcups, California Creamcups, Platystemon arizonicus, Platystemon californicus var. ciliatus, Platystemon californicus var. crinitus, Platystemon californicus var. horridulus, Platystemon californicus var. nutans, Platystemon californicus var. ornithopus, Platystemon confinis, Platystemon mohavensis


Platystemon californicus (Creamcups) is a charming annual wildflower boasting small, cup-shaped, fragrant flowers, which may be white or golden or white with showy gold tips. The center of the flower is packed with thick, flattened stamens. Blooming profusely from early to late spring, Creamcups are one of the earlier annuals to bloom and will continue flowering until the weather warms up. They are borne singly on slender stems above the basal foliage of short, lance-shaped leaves. One plant can produce 20 or more flower stems. Flower buds, stems, and leaves are covered with white hairs. The blossoms attract many pollinators, especially butterflies. They are followed by a capsule with several one-seeded sections that break apart. Native to the southwestern United States and Baja California, Creamcups prefer open fields with sandy soils. They are found at elevations under 6,000 feet from the desert to the coast. Easy to grow, Creamcups are popular as ornamental plants for landscaping and revegetation of recently burned areas. Spectacular when massed and combined with other wildflowers.

  • Grows up to 6-12 in. tall (15-30 cm) and 6 in. wide (15 cm). This spring wildflower reseeds readily and can form dense colonies.
  • Thrives in full sun, in sandy, gravelly, well-drained soils. Drought tolerant. Give occasional water during dry periods.
  • A wonderful addition to the garden, this enthusiastic bloomer is well suited to beds and borders, cottage gardens, rock gardens, or prairies and meadows.
  • No serious pest or disease issues.
  • Propagated by seed in spring.
  • Native to Oregon, California, Arizona, Utah, and Baja California.

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Requirements

Hardiness 4 – 11
Climate Zones 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals
Exposure Full Sun
Season of Interest Spring (Early,Mid,Late)
Height 6" – 1' (15cm – 30cm)
Spread 4" – 6" (10cm – 15cm)
Spacing 6" (15cm)
Water Needs Low
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Fragrant, Showy
Native Plants United States, California, Pacific Northwest, Oregon, Rocky Mountains, Utah, Southwest, Arizona
Tolerance Drought, Dry Soil, Rocky Soil
Attracts Butterflies
Garden Uses Beds and Borders, Edging, Ground Covers
Garden Styles Coastal Garden, Gravel and Rock Garden, Informal and Cottage, Prairie and Meadow

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Joe Decruyenaere, Tracy Hall, Don Loarie, Flickr, Sundry Photography, Shutterstock

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 4 – 11
Climate Zones 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Annuals
Exposure Full Sun
Season of Interest Spring (Early,Mid,Late)
Height 6" – 1' (15cm – 30cm)
Spread 4" – 6" (10cm – 15cm)
Spacing 6" (15cm)
Water Needs Low
Maintenance Low
Soil Type Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Well-Drained
Characteristics Fragrant, Showy
Native Plants United States, California, Pacific Northwest, Oregon, Rocky Mountains, Utah, Southwest, Arizona
Tolerance Drought, Dry Soil, Rocky Soil
Attracts Butterflies
Garden Uses Beds and Borders, Edging, Ground Covers
Garden Styles Coastal Garden, Gravel and Rock Garden, Informal and Cottage, Prairie and Meadow

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