How to Grow Woolly Morning Glory
Woolly Morning Glory
Argyreia nervosa
vineWoolly morning glory is a vigorous tropical climbing vine known for its large, heart-shaped leaves covered in soft, silvery-white hairs that give it a distinctive woolly appearance. It produces stunning pink or purple funnel-shaped flowers that bloom in the morning and typically close by afternoon. This ornamental vine is prized for its dramatic foliage and prolific flowering, making it an excellent choice for trellises, arbors, and garden screens in warm climates.
When should you plant Woolly Morning Glory in your zone?
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Example Woolly Morning Glory timeline · Pittsburgh, PA (Zone 6b)
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Plant Woolly Morning Glory
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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Harvest Woolly Morning Glory
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Woolly Morning Glory dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-12; can be grown as an annual in cooler zones or in containers brought indoors
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Seedling
2-3 weeksTiny seedlings emerge with cotyledons; first true leaves appear rounded and small
Provide bright light, maintain consistent moisture without waterlogging, keep warm (70-75°F), and transplant when 2-3 true leaves develop
Vegetative Growth
4-8 weeksRapid vine extension with increasingly larger heart-shaped leaves developing the characteristic woolly, silvery covering
Provide sturdy support or trellis, water regularly, apply balanced fertilizer monthly, prune to encourage bushiness if desired
Seed Development
4-6 weeksAfter flowering, round seed pods develop and mature to brown, papery capsules containing large seeds
Allow pods to dry on vine if collecting seeds, protect from excessive moisture, reduce watering slightly
Dormancy/Winter Rest
2-4 monthsIn cooler zones, plant dies back; in warm climates, growth slows and flowering may decrease
Reduce watering significantly, move container plants indoors in cool zones, cut back dead growth in spring
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge, use neem oil or insecticidal soap, increase humidity
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Use yellow sticky traps, spray with neem oil or insecticidal soap, encourage natural predators
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Prune affected branches, spray with horticultural oil or neem oil, manually remove with brush
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Spray with isopropyl alcohol solution, use neem oil, isolate affected plants
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Hand-pick early morning, use pheromone traps, apply neem oil
Uses
Traditional medicinal tea
CulinaryThe seeds and roots have been used in traditional Ayurvedic medicine and are consumed as herbal preparations for various health purposes. [source]
Ornamental screening and privacy
HouseholdThe dense, rapid growth and attractive woolly foliage make it ideal for creating natural privacy screens, covering unsightly structures, and adding vertical interest to gardens. [source]
Garden structure decoration
CraftExcellent for training on trellises, arbors, pergolas, and garden structures where its large heart-shaped leaves and striking flowers create dramatic visual interest. [source]
Pollinator attraction
WildlifeThe abundant morning blooms attract bees, butterflies, and other pollinators, making it valuable for supporting local pollinator populations in the garden. [source]
Traditional Ayurvedic remedy
MedicinalKnown in Sanskrit as 'Samudra Phal,' woolly morning glory seeds are traditionally used in Ayurvedic medicine for their purported cognitive and digestive benefits. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Woolly morning glory is primarily grown for ornamental value. For seed collection, allow seed pods to mature on the vine until they turn brown and papery, then harvest and dry completely before storing in a cool, dry place. Seeds can remain viable for 2-3 years.
Fun Facts
- 🌱 The distinctive woolly, silvery coating on the leaves (called pubescence) helps the plant reflect excess sunlight and reduce water loss in hot, dry conditions, making it well-adapted to tropical and subtropical climates.
- 🌱 Woolly morning glory flowers follow a predictable daily cycle, opening in early morning and closing by afternoon or early evening, a behavior called nyctinasty that is common in morning glory species.
- 🌱 The plant's large seeds are notably heavy and have been traditionally used in some cultures for decorative purposes and crafts due to their substantial, smooth appearance.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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