prairie wildflower
Scarlet Globemallow
Sphaeralcea coccinea
Also known as Caliche Globemallow
1 of 2Native to the Southwest, the Rockies, and the Great Plains and southern Canada
Saskatchewan and Alberta, south to Texas, Arizona, and Chihuahua in northern Mexico; rare in Iowa Loess Hills
- Light Full sun Sun tolerance
- Moisture Dry Moisture preference
- Zones 3–9 Cold to heat range
- Bloom Apr–Sep Flowering time
- Height up to 16 in to 41 cm
- Life cycle Biennial or perennial Annual to perennial
In the garden
A prairie wildflower for full sun and lean, dry soil. At up to 16 in, it tucks into meadows and sunny borders. Hardy in USDA zones 3–9.
Growing conditions
Hardiness zones
Pollinators & wildlife
- Bees Brown-belted Bumble Bee
also Ligated Furrow Bee, Red-belted Bumble Bee, Hunt's Bumble Bee +7 more
Tripartite Sweat Bee, Brown-winged Striped Sweat Bee, Calliopsis subalpina, Globemallow Andrena, Tiny Small carpenter, Lasioglossum sp.F28, Panurginus beardsleyi - Butterflies Gray Hairstreak
also Common Checkered-Skipper and Allies, Checkered White, Reakirt's Blue +3 more
Common Sootywing, Melissa Blue, Pyrgus communis - Flower flies Margined Calligrapher also Large-tailed Aphideater, Yellow-shouldered Drone Fly, Broad-headed Marsh Fly
- Also visited by
- Beetles: Coleothorpa axillaris
Butterflies that use this plant
Documented host and nectar records. Each links to a planting guide for that butterfly.
- Checkered whitenectar
- Gray hairstreaknectar
- Melissa bluenectar
- Reakirt's bluenectar
Full plant details
Where it grows
- Habitat
- PrairieThe wild plant community it grows in.
- Native range
- The Southwest, the Rockies, and the Great Plains and southern CanadaUnited States (15): AZ, CO, IA, ID, KS, MT, ND, NE, NM, NV, OK, SD, TX, UT, WY. Canada (1): SK. Where it grows wild on its own, by state and province.
- Native distribution
- Saskatchewan and Alberta, south to Texas, Arizona, and Chihuahua in northern Mexico; rare in Iowa Loess HillsThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.
Growing conditions
- Light
- Full sunHow much sun it takes, from full sun to full shade.
- Moisture
- DryThe soil dampness it prefers, from dry to wet.
- Hardiness zones
- USDA 3–9 · Canadian 2–7The cold-to-heat climate range it survives.
- Soil
- Light, gravelly limestone or sandy clay soilsThe soils it grows in naturally.
- Soil pH
- 6.5–8.4The acidity to alkalinity it tolerates (7 is neutral).
- Soil quality
- LowHow rich a soil it needs. Many natives prefer lean soil and flop in rich beds.
- Water use
- LowHow thirsty it is, a rough guide to how often to water.
- Salinity tolerance
- MediumHow well it copes with salty soil, near roads or the coast.
- Lime (CaCO₃) tolerance
- HighHow well it copes with chalky, lime-rich soil.
Growth & form
- Height
- up to 16 in (to 41 cm)Typical mature height.
- Life cycle
- Biennial or perennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).
- Growth rate
- RapidA relative ranking versus other plants of the same type (USDA), not an absolute rate.
- Shape
- ErectIts overall silhouette.
- Root depth
- 6+ in (15+ cm)How far the roots reach, a guide to drought resilience and transplanting.
Flowers, foliage & fruit
- Type
- WildflowerWhat kind of plant it is.
- Bloom
- Apr–SepWhen it flowers.
- Flower color
- Red, OrangeThe bloom color, or colors.
- Fruit/Seeds
- SchizocarpThe seed or fruit it sets after flowering.
- Toxicity
- None knownWhether any part is poisonous to people or pets.
Propagation & seed
- Cold stratification
- Not requiredWhether seed needs a cold, moist spell before it will germinate.
- Propagation
- Container, seedHow to start new plants.
- Seed
- ~0.5 million seeds per poundNotes on the seed and how to sow it.
- Seed spread rate
- RapidHow readily it self-sows. Slow or none means well-behaved, not a spreader.
- Seedling vigor
- HighHow strongly young seedlings establish.
- Vegetative spread
- NoneWhether it creeps outward or stays put in a clump.