
Carex oshimensis 'Everillo' is a bold selection with vibrant chartreuse to lime green foliage that lights up shaded spaces. Its vivid leaves hold their color year round in warmer regions adding brightness to borders and containers. Its color intensifies in cooler weather offering excellent contrast in mixed plantings.
Height & Spread: 12 - 18 in x 18 - 24 in
Bloom Time: Late spring
Light Requirements: Full shade to part shade
Soil Preference: Moist, rich, well drained soil
Watering Needs: Moderate; prefers evenly moist soil
Deer Resistance: Deer resistant
Native Status
This cultivar is part of the EverColor series derived from Carex oshimensis, a species native to Japan.
WILDLIFE & INSECTS
Butterflies
- Offers low shelter for butterfly larvae and pupae in woodland garden settings.
Bees
- Forms clumps that protect early season ground nesting bees in shaded zones.
Beneficial Insects
- Provides habitat for predatory beetles and parasitic wasps that help manage pest populations.
Spacing & Landscape Use
Spacing Recommendations:
- Space 18 - 24 in apart for bold foliage blocks or in staggered patterns under trees or in containers.
Landscape Placement:
- Excellent as a bright filler in shade gardens, containers, and underplantings where chartreuse tones pop.
Companion Plants
- Polygonatum odoratum 'Variegatum' - Tall arching stems offer structure above Everillo’s mound.
- Heuchera villosa 'Autumn Bride' - Pale green foliage and white blooms enhance the airy contrast.
- Brunnera macrophylla - Large silver patterned leaves create striking texture combinations.
- Epimedium x rubrum - Adds fine texture and spring color beneath trees and shrubs.
- Hosta 'Halcyon' - Cool blue foliage offers sharp contrast to Everillo’s bright chartreuse.