CORAL CANYON® twinspur
Diascia integerrima 'P009S'
CORAL CANYON® twinspur (Diascia integerrima 'P009S') is a groundcover suited to the Colorado Front Range. It matures to about 12 to 18 in tall and 12 to 18 in wide, needs medium water, and prefers full sun. Long-blooming rose-pink flower spikes summer through frost; great pollinator plant.
Plant Select®medium water12 to 18 in tall and 12 to 18 in wideLow ignitability: OK 0-30 ft from the house, CSU score 9/10
At a glance
Will it survive here?
- Water needs
- medium water
- Sun
- Best in full sun.
- Soil
- clay, loam, sandy
- Soil pH
- 6.5 to 8.0
- Hail tolerance
- high
- Wind tolerance
- high
- Salt tolerance
- moderate
- Site uses
- Hot south- or west-facing walls
How big, what shape?
- Mature size
- 12 to 18 in tall and 12 to 18 in wide
- Growth habit
- Mounding
- Planting spacing
- ~13 to 18 in apart
What it looks like, and when
- Bloom time
- mid summer, mid fall
- Bloom color
- pink
- Bloom length
- Long (several weeks)
- Foliage
- Semi-evergreen
What it will do to your yard
- Foot traffic
- No foot traffic
Who else benefits
- Pollinator value
- high
- Deer
- Not rated
- Colorado native
- No
Also worth knowing
- Fire rating
- Low ignitability: OK 0-30 ft from the house, CSU score 9/10
Using CORAL CANYON® twinspur as a groundcover
CORAL CANYON® twinspur grows in low mounds. It fills in to a moderately dense cover.
Planting & establishment
Steady moisture early; tolerates drought after first season.
Frequently asked questions
- Is CORAL CANYON® twinspur good for the Colorado Front Range?
- Yes, CORAL CANYON® twinspur is a well-suited groundcover for Colorado's Front Range.
- How big does CORAL CANYON® twinspur get?
- It matures to about 12 to 18 in tall and 12 to 18 in wide.
- How far apart do I plant CORAL CANYON® twinspur?
- Space CORAL CANYON® twinspur about 13 in apart for a faster, fuller cover, or up to 18 in apart for a looser planting.
- How much water does CORAL CANYON® twinspur need?
- It needs medium water once established.
- Is CORAL CANYON® twinspur native to Colorado?
- No. It is not a Colorado native, but it grows well on the Front Range.
- Is CORAL CANYON® twinspur a good firewise plant near the house?
- CORAL CANYON® twinspur is rated 9 of 10 in CSU Extension Fact Sheet 6.305 (2025), where higher means less ignitable, so it can go within 0 to 5 feet of the house as well as out to 30 feet when kept watered and tidy. This is general guidance based on CSU Extension Fact Sheet 6.305 (2025), not a guarantee that any plant won't burn, a well-irrigated, well-maintained plant is the goal. Follow CSU Extension defensible-space guidance and check with your local fire district before planting in the wildland-urban interface.
- Can you walk on CORAL CANYON® twinspur?
- CORAL CANYON® twinspur isn't meant for foot traffic, site it where you won't need to walk across it.
- Will CORAL CANYON® twinspur spread or stay put?
- CORAL CANYON® twinspur is mounding. Give it room to fill in and edit the edges to keep it where you want it.
- How long does CORAL CANYON® twinspur bloom?
- CORAL CANYON® twinspur blooms for several weeks, a long-season performer on the Front Range. Bloom timing shifts a week or two with elevation and spring weather.
