How to Grow Evolvulus
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Evolvulus
Evolvulus glomeratus
flowerEvolvulus, commonly known as dwarf morning glory, is a tender perennial ornamental plant prized for its delicate, small blue or purple flowers and fine, wispy foliage. Unlike true morning glories, evolvulus flowers remain open throughout the day and do not close or wilt as quickly. It creates an airy, cascading mound of color perfect for containers, hanging baskets, and garden borders.
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Example Evolvulus timeline · Pittsburgh, PA (Zone 6b)
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Plant Evolvulus
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 Evolvulus blooms
Around Jun 1≈ 45 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Evolvulus dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 10-12; grown as an annual in cooler zones
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Germination & Seedling
2-3 weeksSeeds sprout in 7-14 days under warm conditions. Seedlings develop fine, delicate leaves and a fragile stem structure.
Keep soil consistently moist but not waterlogged. Provide bright light. Thin seedlings to proper spacing. Use warm soil (70-75°F) for best germination.
Vegetative Growth
3-4 weeksPlant develops bushy, spreading growth habit with increasingly fine, thread-like foliage. No flowers yet, just leafy green stems.
Pinch back growing tips early to encourage bushier, fuller growth. Keep soil moderately moist. Begin feeding with dilute fertilizer every 2 weeks.
Budding & Early Flowering
1-2 weeksSmall flower buds appear at stem tips. First delicate blue or purple flowers open, typically measuring 0.5 inches across.
Continue moderate watering and feeding. Ensure full sun exposure for maximum flower production. Remove any dead flowers to encourage continued blooming.
Peak Flowering
6-12 weeks or morePlant covered with abundant small flowers in shades of blue, purple, pink, or white depending on variety. Flowers open daily and remain throughout daylight.
Maintain consistent watering schedule—neither drought nor wet conditions. Feed every 2-3 weeks with balanced or slightly lower nitrogen fertilizer. Deadhead spent flowers.
Decline & End of Season
End of growing seasonIn frost-prone areas, plant slows as temperatures drop. Flowers may become less prolific in fall or with cold stress.
In zones 9-10, may continue blooming with protection or mild winters. In cooler zones grown as annuals, this marks season's end. Can be overwintered indoors in warm climates.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with neem oil or insecticidal soap; increase humidity; rinse leaves with water
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Use yellow sticky traps; spray with insecticidal soap; introduce beneficial insects
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Spray with strong water stream; use neem oil or insecticidal soap; attract ladybugs
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Remove with rubbing alcohol on cotton swab; spray with neem oil; isolate affected plants
Uses
Ornamental edible flower garnish
CulinaryThe delicate flowers are edible and can be used as a decorative garnish on desserts and salads, adding visual appeal with their blue or purple hue. [source]
Container and basket displays
HouseholdPerfect for hanging baskets, window boxes, and container gardens due to its trailing, cascading growth habit and prolific flowering. [source]
Fresh flower arrangements
CraftDelicate cut stems with tiny flowers can be used in fresh arrangements and bouquets, though flowers are short-lived in water. [source]
Pollinator attraction
WildlifeSmall flowers attract bees, butterflies, and other beneficial pollinators, supporting garden ecology despite the plant's ornamental purpose. [source]
Landscape edging and borders
HouseholdLow-growing, spreading habit makes evolvulus excellent for softening garden edges, rock gardens, and creating colorful mounding displays. [source]
Harvest Tips
Evolvulus is an ornamental flower, not harvested for food. Cut stems can be used in fresh flower arrangements; flowers last 1-2 days in a vase. Collect seeds after flowers fade if desired for propagation. Seeds develop in small, papery capsules.
Fun Facts
- 🌱 Evolvulus flowers stay open throughout the day and night, unlike true morning glories (Ipomoea species) which close in afternoon sun.
- 🌱 The name 'evolvulus' comes from the Latin word 'evolvere,' meaning to unroll or unfold, referencing how the flowers seem to unroll from delicate buds.
- 🌱 Evolvulus is a tender perennial that thrives in warm climates but is commonly grown as a heat-loving annual in temperate zones, making it increasingly popular as gardeners seek plants tolerant of hot, dry summers.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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