Rocky Mountain Beeplant: A Prairie Gem for Your Native Garden
If you’re looking to add a splash of vibrant color to your native garden while supporting local pollinators, the Rocky Mountain beeplant (Cleome serrulata) might just be the perfect addition. This cheerful annual wildflower brings both beauty and ecological benefits to landscapes across much of North America.





What Makes Rocky Mountain Beeplant Special?
Rocky Mountain beeplant is a true North American native, naturally occurring across an impressive range from Canada down through most of the United States. You’ll find this hardy annual growing wild from Alberta and British Columbia all the way down to Texas and California, making it well-adapted to a variety of climates and conditions.
This delightful forb (that’s botanist-speak for a non-woody flowering plant) typically reaches about 3 feet in height with an upright, erect growth habit. What really catches the eye are its conspicuous red flowers that bloom from late spring through summer, creating a striking display that’s sure to draw attention from both gardeners and pollinators alike.
Why Plant Rocky Mountain Beeplant?
There are several compelling reasons to consider adding this native beauty to your garden:
- Pollinator Magnet: As the name suggests, this plant is beloved by bees and other pollinators
- Low Maintenance: Once established, it requires minimal care and has a rapid growth rate
- Drought Adaptable: While it prefers moderate moisture, it can handle some dry conditions
- Native Heritage: Supporting local ecosystems by growing plants that naturally belong in your area
- Easy to Grow: Perfect for beginning native plant gardeners
Where Does It Fit in Your Landscape?
Rocky Mountain beeplant shines in several garden settings:
- Prairie Gardens: A natural choice for recreating grassland ecosystems
- Wildflower Meadows: Adds vertical interest and bold color
- Native Plant Gardens: Fits perfectly with other indigenous species
- Naturalized Areas: Great for less formal, wild-looking spaces
- Pollinator Gardens: Essential for attracting and feeding beneficial insects
Growing Conditions and Care
One of the best things about Rocky Mountain beeplant is how adaptable it is. Here’s what it prefers:
Soil: This plant isn’t too picky, but it performs best in coarse to medium-textured, well-draining soils. It can handle a pH range from 6.0 to 7.6, so most garden soils will work just fine.
Sun and Shade: While it can tolerate some shade, Rocky Mountain beeplant really thrives in full sun to partial shade conditions.
Water: Moderate moisture is ideal, though it has low drought tolerance once established. It’s classified as facultative upland, meaning it usually grows in non-wetland areas but can occasionally tolerate wetter conditions.
Climate: This hardy annual can grow in areas with minimum temperatures around 52°F and needs at least 70 frost-free days to complete its growing cycle.
Planting and Propagation
Growing Rocky Mountain beeplant from seed is straightforward and rewarding:
- When to Plant: Direct sow seeds in spring after the last frost
- Seeding Rate: Plan for about 4,800 to 11,000 plants per acre, depending on your desired density
- Seed Facts: With about 64,000 seeds per pound, a little goes a long way
- Germination: Seeds show high vigor and don’t require cold stratification
- Growth: Expect rapid growth throughout spring and summer
The plant produces abundant seeds that persist well, so you may find volunteer seedlings appearing in subsequent years if conditions are right.
A Few Things to Keep in Mind
As an annual, Rocky Mountain beeplant completes its entire life cycle in one growing season. While this means you’ll need to replant each year (unless it self-seeds), it also means you can easily try it out without making a long-term commitment to your garden design.
The plant has a single crown growth form and doesn’t spread vegetatively, so it stays where you plant it. Its medium-textured, green foliage provides a nice backdrop for the showy red flowers, and while the foliage isn’t particularly notable in fall, the plant’s main show is during its active growing season anyway.
The Bottom Line
Rocky Mountain beeplant offers native plant gardeners an excellent opportunity to add color, support pollinators, and grow something that truly belongs in the North American landscape. Its ease of cultivation, rapid growth, and ecological benefits make it a wonderful choice for both novice and experienced gardeners looking to create more sustainable, wildlife-friendly spaces.
Whether you’re establishing a prairie garden, creating a pollinator haven, or simply want to try growing something new and native, Rocky Mountain beeplant deserves a spot on your seed list. Your local bees will certainly thank you for it!