How to Grow Flowering Ground Covers
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Flowering Ground Covers
Various species (e.g., Delosperma, Phlox subulata, Sedum, Thymus, Ajuga)
flowerFlowering ground covers are low-growing, spreading plants that blanket soil with foliage and colorful blooms, typically reaching 3-12 inches in height. They serve dual purposes as decorative landscape elements and practical soil stabilizers that suppress weeds and reduce erosion. Popular types include creeping phlox, sedums, thyme, ajuga, and ice plants, each offering unique colors, textures, and flowering periods.
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Example Flowering Ground Covers timeline · Pittsburgh, PA (Zone 6b)
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Plant Flowering Ground Covers
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Flowering Ground Covers blooms
Around May 17≈ 30 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Most flowering ground covers thrive in zones 3-9, though specific varieties vary; cold-hardy sedums suit zones 2-8, while creeping thyme and phlox excel in zones 3-9
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Get my Flowering Ground Covers timeline →Growth Stages
Transplant Establishment
2-4 weeksYoung plants with initial root system; foliage is compact and may appear stressed. Plants are settling into soil and establishing lateral roots.
Water deeply and regularly (2-3 times weekly). Mulch lightly around plants (not touching stems). Avoid fertilizing; let roots establish naturally. Monitor for wilting and reduce direct sun stress if needed during first 2 weeks.
Vegetative Growth & Spreading
4-8 weeksStems elongate and spread laterally; foliage becomes denser and fuller. New shoots emerge from crown nodes. Plants begin creeping across soil surface.
Water when top inch of soil is dry. Begin light fertilization (balanced NPK) monthly if desired. Prune or pinch back tips to encourage bushier growth. Reduce watering frequency as plants mature.
Flowering
4-12 weeks depending on species and seasonBuds form along stems and open into colorful blooms. Flowers appear in clusters or scattered across the plant canopy. Color and bloom density vary by species.
Maintain consistent (not excessive) moisture. Deadhead spent flowers to encourage continued blooming (optional for some varieties like sedums). Avoid overhead watering to prevent fungal disease on blooms. Reduce nitrogen fertilizer to promote flowering over foliage.
Dense Coverage & Maturation
Ongoing (1+ season)Ground cover forms continuous carpet across target area. Old growth may become woody; plant may show reduced vigor if overcrowded.
Reduce or cease watering except during drought stress. No fertilizer needed at full maturity. Cut back hard annually (early spring for most types) to rejuvenate and prevent woodiness. Divide established patches every 3-4 years if vigor declines.
Winter Dormancy
3-5 months depending on climateCold-hardy varieties slow growth and may discolor or die back partially. Foliage browns or turns purple/red. Some evergreen types retain color.
No supplemental watering needed for hardy types; they use winter moisture. Avoid heavy mulch pile-up that can rot crowns. In mild zones, some varieties continue light growth. Do not prune until new growth emerges in spring.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity by misting; spray with water to dislodge; apply neem oil or insecticidal soap if severe. Avoid overfertilizing with nitrogen.
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Improve air circulation by thinning dense growth. Avoid overhead watering. Apply sulfur dust or potassium bicarbonate fungicide in early stages. Severe cases may require removal of affected sections.
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Ensure excellent drainage; amend heavy soils. Do not overwater. Remove and discard affected plants. Reduce humidity around crowns. Allow soil to dry between waterings.
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and
Remove debris and thick mulch where they hide. Hand-pick in early morning or evening. Use copper tape barriers. Apply iron phosphate slug bait or diatomaceous earth around plant bases.
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Spray with strong water stream to dislodge. Apply insecticidal soap or neem oil. Encourage beneficial insects like ladybugs by planting diverse flowers nearby.
Uses
Edible Creeping Thyme
CulinaryCreeping thyme varieties produce edible leaves used fresh or dried in teas, soups, and Mediterranean dishes. The delicate flowers are also edible and make attractive garnishes. [source]
Erosion Control & Slope Stabilization
HouseholdDensely planted ground covers bind soil with extensive root networks, preventing water runoff and soil loss on slopes, banks, and hillsides. This reduces maintenance and prevents mudslides. [source]
Pollinator & Beneficial Insect Support
WildlifeFlowering ground covers provide abundant nectar and pollen for bees, butterflies, and hoverflies. Dense foliage also offers habitat for ground-dwelling insects and small creatures. [source]
Cut Flower & Dried Flower Arrangements
CraftMany flowering ground covers (sedums, phlox, thyme) produce stems suitable for fresh or dried floral designs. Dried seed heads and dried flowers add texture to arrangements. [source]
Herbal Tea & Wellness
MedicinalCreeping thyme and some ajuga varieties have traditional uses in herbal teas for respiratory support and mild digestive aid. Always verify species identification before internal use. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Flowering ground covers are not harvested for yield but can be lightly pruned to enjoy blooms in arrangements or to manage growth. Cut stems in early morning when flowers are fully open; use within hours for best vase life. Avoid heavy harvesting during establishment (first season). For continuous coverage, minimize cutting and deadhead in place or collect seed heads for propagation if desired.
Fun Facts
- 🌱 Sedums are so drought-tolerant they can survive on rocky slopes and even shallow roof gardens, storing water in their thick, fleshy leaves through a specialized photosynthesis process called CAM (Crassulacean Acid Metabolism).
- 🌱 Creeping phlox is sometimes called 'moss phlox' because its fine, needle-like foliage resembles moss, yet produces vibrant five-petaled flowers in pink, purple, white, or red.
- 🌱 Many flowering ground covers were historically used in rock gardens and alpine troughs by Victorian gardeners; today, they remain essential in xeriscaping (water-wise landscaping) and permaculture designs.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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