Groundcover
Mondo Grass
Ophiopogon
Traits
Varieties We Carry
StandardOphiopogonDwarfOphiopogon japonicusRegularOphiopogon japonicus
Sizes & Pricing
3 inFrom$2.50
4 inFrom$2.50
1 galFrom$6.95
Fresh this week. Last restocked Mar 11.
LightFull Sun to Full Shade
WaterModerate
Mature size0.5-1 feet × 1-1.5 feet
About Mondo Grass
Mondo Grass (Ophiopogon intermedius) is a clumping, grass-like evergreen perennial from Asia with broader, arching deep green leaves than the more common dwarf mondo. Small lavender flowers in summer give way to blue-black berries, and it forms a dense, weed-suppressing groundcover in shaded landscapes. Starting at $2.50.
Plant details
- Bloom Season
- Summer
- Flower Color
- White, Purple
- Growth Rate
- Slow
- Foliage
- Evergreen
- Soil
- Loam, Clay, Acidic, Well-drained
Best planting months
Recommended forZone 9b · St. Augustine, FL
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This monthGood windowOther months
Seasonal care
Good planting window.
Bloom season.
Ideal planting window.
Retains foliage through winter.
Care essentials
Light
Mondo grass is remarkably adaptable to light in NE Florida — it grows in full sun but is particularly valued as a groundcover in shade where turf grass struggles. Deep shade under trees is one of its best landscape uses; full sun is tolerated but may require additional irrigation.
Water
Water regularly until established; once established, mondo grass is moderately drought-tolerant. In NE Florida's sandy soils, mulch around plantings to conserve moisture. Supplemental irrigation during extended dry periods helps maintain appearance.
Soil & Fertilizer
Mondo grass thrives in loamy, well-drained soils and tolerates NE Florida's acidic sandy soils. Amend with compost at planting. Feed lightly with a slow-release balanced fertilizer in spring; excessive nitrogen encourages lush growth that may look unkempt.
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Common questions
Is Mondo Grass a good plant for St. Augustine?
Mondo Grass is a groundcover for Zone 9b coastal Florida gardens, reaching 0.5-1 feet × 1-1.5 feet.
Care information verified from
Last reviewed March 2026. Our care guidance comes from trusted horticulture sources and decades of helping St. Augustine gardeners. Conditions here can vary dramatically from one area to the next, so come ask us and we'll tailor it to your yard.