Siberian bugloss / false forget-me-not
Brunnera macrophylla
Siberian bugloss / false forget-me-not (Brunnera macrophylla) is a groundcover suited to the Colorado Front Range. It matures to about 12–18 in tall and 18–24 in wide, needs medium water, and prefers dappled sun to deep shade. Silver-marbled heart-shaped foliage + sky-blue forget-me-not flowers. Deer-resistant shade gem.
On the CSU listmedium water12–18 in tall and 18–24 in wideDeer-resistant
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At a glance
- Botanical name
- Brunnera macrophylla
- Variety / cultivar
- 'Jack Frost', 'Looking Glass'
- Type
- Groundcover
- Mature size
- 12–18 in tall and 18–24 in wide
- Planting spacing
- ~17–24 in apart
- Growth habit
- Clumping
- Foot traffic
- No foot traffic
- Winter cover
- Bare in winter
- Hardiness zones
- USDA 3–8
- Water needs
- medium water
- Sun
- Best in dappled sun; tolerates deep shade. Flowers best with more sun.
- Colorado native
- No
- Foliage
- Deciduous
- Soil
- loam
- Soil pH
- 6.0–7.5
- Hail tolerance
- moderate
- Wind tolerance
- low
- Salt tolerance
- low
- Firewise (defensible space)
- Zones 1–3 (can be planted near the house)
- Bloom color
- blue
- Bloom time
- mid spring, late spring
- Pollinator value
- moderate
- Site uses
- Cool north foundations, Dry shade under conifers
Wildlife & ecology
- Pollinator value
- moderate
- Deer
- Generally deer-resistant
Using Siberian bugloss / false forget-me-not as a groundcover
Siberian bugloss / false forget-me-not grows in tidy clumps. It fills in to a moderately dense cover. It dies back in winter, leaving the ground bare until spring.
Frequently asked questions
- Is Siberian bugloss / false forget-me-not good for the Colorado Front Range?
- Yes, Siberian bugloss / false forget-me-not is a well-suited groundcover for Colorado's Front Range.
- How big does Siberian bugloss / false forget-me-not get?
- It matures to about 12–18 in tall and 18–24 in wide.
- How far apart do I plant Siberian bugloss / false forget-me-not?
- Space Siberian bugloss / false forget-me-not about 17 in apart for a faster, fuller cover, or up to 24 in apart for a looser planting.
- Is Siberian bugloss / false forget-me-not hardy on the Front Range?
- Siberian bugloss / false forget-me-not is hardy in USDA 3–8. The Colorado Front Range spans roughly USDA 4b–6a, so it is well within range.
- How much water does Siberian bugloss / false forget-me-not need?
- It needs medium water once established.
- Is Siberian bugloss / false forget-me-not native to Colorado?
- No. It is not a Colorado native, but it grows well on the Front Range.
- Is Siberian bugloss / false forget-me-not deer-resistant?
- Siberian bugloss / false forget-me-not is generally considered deer-resistant, though no plant is deer-proof when browse pressure is high.
- Is Siberian bugloss / false forget-me-not a good firewise plant near the house?
- Siberian bugloss / false forget-me-not is a lower-fuel choice suitable in defensible-space zones 1–3, it can be planted near the house when kept well irrigated and maintained. This is general suitability guidance based on CSU Extension firewise plant lists, 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 Siberian bugloss / false forget-me-not?
- Siberian bugloss / false forget-me-not isn't meant for foot traffic, site it where you won't need to walk across it.
- Will Siberian bugloss / false forget-me-not spread or stay put?
- Siberian bugloss / false forget-me-not is clumping. Give it room to fill in and edit the edges to keep it where you want it.
- Does Siberian bugloss / false forget-me-not stay green in winter?
- No, Siberian bugloss / false forget-me-not dies back in winter and leaves the ground bare until it returns in spring.
