How to Grow Scarlet Plumbago
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Scarlet Plumbago
Plumbago indica
shrubScarlet Plumbago is a tropical evergreen shrub known for its vibrant red to pink flower clusters that bloom prolifically throughout warm seasons. Native to India, it grows as an ornamental landscape plant in warm climates and can be cultivated in containers in cooler regions. The plant features attractive dark green foliage and produces flowers that attract butterflies and hummingbirds.
When should you plant Scarlet Plumbago in your zone?
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Example Scarlet Plumbago timeline · Pittsburgh, PA (Zone 6b)
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Plant Scarlet Plumbago
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 Scarlet Plumbago
Around Aug 15≈ 120 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Scarlet Plumbago dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 9b-11; best grown in containers in zones 8-9a for winter protection
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Get my Scarlet Plumbago timeline →Growth Stages
Establishment
4-8 weeksYoung plant with 4-6 true leaves, establishing root system and basic branching structure
Water regularly to keep soil moist, provide bright light, protect from strong winds, fertilize monthly with balanced fertilizer
Vegetative Growth
2-3 monthsPlant develops bushy form with multiple branches and dense dark green foliage
Pinch back growing tips to encourage branching, maintain consistent moisture, fertilize every 2-3 weeks with balanced or slightly higher phosphorus formula
Flowering
6-8 months or year-round in tropical climatesTerminal flower clusters appear in vibrant red to pink colors, may appear in flushes with rest periods in between
Deadhead spent flowers to encourage continued blooming, maintain regular watering and fertilizing, ensure adequate sunlight exposure
Peak Production
Ongoing in mature plantsPlant at full maturity with extensive flowering, dense foliage, and established woody stems
Prune to maintain desired shape and size, continue deadheading, fertilize monthly with higher potassium formula to support blooms
Dormancy/Winter Rest
2-4 months depending on climateGrowth slows significantly in cooler months; flowering may diminish or stop; foliage may yellow or drop in cold areas
Reduce watering and fertilizing, move container plants indoors in zones below 9b, prune lightly to shape before spring growth
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge, use insecticidal soap, increase humidity, prune heavily infested leaves
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Yellow sticky traps, spray with neem oil or insecticidal soap, encourage natural predators
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Isolate affected plants, spray with neem oil or horticultural oil, use insecticidal soap, remove with alcohol-soaked cotton swabs
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Prune heavily infested branches, spray with horticultural oil, use systemic insecticide if severe
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Improve air circulation, reduce humidity, spray with sulfur fungicide or baking soda solution, remove affected foliage
Uses
Ornamental Landscaping
OrnamentalScarlet Plumbago is extensively used as a tropical ornamental shrub for gardens, hedges, and borders, providing vibrant color and attracting pollinators throughout the growing season. [source]
Pollinator Attraction
WildlifeThe abundant red-pink flowers are a valuable nectar source for butterflies, hummingbirds, and other beneficial insects, supporting local pollinator populations. [source]
Container Gardening
HouseholdScarlet Plumbago thrives in large containers, making it ideal for patios, decks, and indoor cultivation in cooler climates where it can be overwintered under protection. [source]
Traditional Medicine
MedicinalIn traditional Indian and tropical medicine systems, Plumbago indica has been used for various medicinal preparations, though modern scientific validation is limited. [source]
Cut Flowers and Arrangements
CraftThe vibrant flower clusters are attractive in fresh floral arrangements and add tropical flair to bouquets and indoor displays. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Scarlet Plumbago is primarily ornamental; flowers can be harvested for fresh arrangements by cutting stem clusters in the morning. For maximum flowering, deadhead spent flowers regularly by pinching or cutting just below the flower cluster. Prune in late winter to early spring before new growth begins to maintain shape and encourage bushier growth.
Fun Facts
- 🌱 Scarlet Plumbago is also called 'Red Plumbago' and 'Indian Leadwort,' with the name 'leadwort' derived from the historical belief that the plant could cure lead poisoning.
- 🌱 Unlike its blue-flowering relative Plumbago auriculata, Scarlet Plumbago's red pigmentation comes from cyanidin, the same anthocyanin compound found in red wine and berries.
- 🌱 The plant can bloom nearly year-round in tropical climates, sometimes producing three distinct flowering flushes separated by brief rest periods.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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