Cinco de Mayo rose
Rosa 'WEKcobeju'
Cinco de Mayo rose (Rosa 'WEKcobeju') is a shrub suited to the Colorado Front Range. It matures to about 3–4 ft tall and 3 ft wide, needs medium water, and prefers full sun. An award-winning floribunda in an unusual smoky blend of rusty red-orange and lavender, in big clusters all season. Disease-resistant and free-flowering; mulch the base for winter.
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At a glance
- Botanical name
- Rosa 'WEKcobeju'
- Variety / cultivar
- Cinco de Mayo
- Type
- Shrub
- Mature size
- 3–4 ft tall and 3 ft wide
- Planting spacing
- ~3 ft apart (2 ft for a hedge/screen)
- Hedge use
- Informal hedge or screen
- Bloom length
- Reblooms
- Hardiness zones
- USDA 5–9
- Growth rate
- Moderate
- Water needs
- medium water
- Sun
- Best in full sun.
- Colorado native
- No
- Foliage
- Deciduous
- Soil
- clay, loam, sandy
- Soil pH
- 6.0–7.5
- Hail tolerance
- moderate
- Wind tolerance
- moderate
- Salt tolerance
- low
- Bloom color
- red, orange, purple
- Bloom time
- early summer, mid summer, late summer, early fall
- Pollinator value
- moderate
Things to know before you plant
- ThornyIt is thorny, so site it away from paths, seating, and play areas.
Wildlife & ecology
- Pollinator value
- moderate
- Deer
- Not deer-resistant
Common problems on the Front Range
- Aphids
- Blackspot and powdery mildew
- Japanese beetle
These are general tendencies for this group of plants on the Front Range, not a diagnosis. Many are stress-driven and preventable with good siting and watering. For a specific plant or an active problem, consult a certified arborist or your local CSU Extension office.
Planting & establishment
Give it deep, regular water the first two seasons and steady moisture after; mulch to keep the roots cool and moist.
- Pruning: moderate.
Frequently asked questions
- Is Cinco de Mayo rose good for the Colorado Front Range?
- Yes, Cinco de Mayo rose is a well-suited shrub for Colorado's Front Range.
- What should I know before planting Cinco de Mayo rose?
- The main things to know: It is thorny, so site it away from paths, seating, and play areas.
- How big does Cinco de Mayo rose get?
- It matures to about 3–4 ft tall and 3 ft wide.
- How far apart do I plant Cinco de Mayo rose?
- Space Cinco de Mayo rose about 3 ft apart for a full, natural form, or about 2 ft apart for a faster hedge or screen.
- Is Cinco de Mayo rose hardy on the Front Range?
- Cinco de Mayo rose is hardy in USDA 5–9. The Colorado Front Range spans roughly USDA 4b–6a, so it is at its cold edge here. Site it in a warm microclimate and protect young plants.
- How much water does Cinco de Mayo rose need?
- It needs medium water once established.
- How fast does Cinco de Mayo rose grow?
- Cinco de Mayo rose is a moderate-growing shrub. Growth rate depends on water and site conditions on the Front Range.
- Is Cinco de Mayo rose native to Colorado?
- No. It is not a Colorado native, but it grows well on the Front Range.
- Is Cinco de Mayo rose deer-resistant?
- No. Cinco de Mayo rose is not considered deer-resistant and may need protection where deer browse.
- Is Cinco de Mayo rose prone to pests or disease on the Front Range?
- Cinco de Mayo rose can be affected by aphids and other issues common to this group on the Front Range. These are general tendencies, not a diagnosis, many are stress-driven and preventable with good siting and watering. For a specific plant or an active problem, consult a certified arborist or CSU Extension.
- Is Cinco de Mayo rose a good hedge plant?
- Yes, as an informal hedge. Cinco de Mayo rose works best as a relaxed hedge or screen kept to its natural form rather than sheared into a tight box.
- How long does Cinco de Mayo rose bloom?
- Cinco de Mayo rose reblooms through the season, especially if you deadhead spent flowers on the Front Range. Bloom timing shifts a week or two with elevation and spring weather.
