How to Grow Lantana 'Indigo Blue'
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Lantana 'Indigo Blue'
Lantana horrida 'Indigo Blue'
shrubLantana 'Indigo Blue' is a tropical shrub known for its vibrant deep blue and purple flower clusters that attract butterflies and hummingbirds. This cultivar is more compact and cold-tolerant than some lantana species, making it suitable for container gardening and landscapes in warmer regions. The foliage is dark green and aromatic, remaining attractive even when not in bloom.
When should you plant Lantana 'Indigo Blue' in your zone?
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Example Lantana 'Indigo Blue' timeline · Pittsburgh, PA (Zone 6b)
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Plant Lantana 'Indigo Blue'
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 Lantana 'Indigo Blue'
Around Jun 16≈ 60 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Lantana 'Indigo Blue' dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives best in zones 9-11; can be grown in zone 8 with winter protection
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Establishment
2-3 weeksYoung transplant with initial foliage development and root system establishment.
Water regularly (not soggy) to encourage root development. Avoid fertilizing for first 2-3 weeks. Provide shade cloth in intense heat if newly planted.
Vegetative Growth
3-4 weeksPlant develops bushy, leafy growth with dark green foliage; no flowers yet.
Pinch back growing tips to encourage branching and bushier form. Water moderately. Begin light fertilizing every 2-3 weeks with balanced or slightly higher phosphorus formula.
Flowering
2-3 months (spring through fall in warm climates; year-round in tropical zones)Dense clusters of deep blue and purple flowers appear at branch tips. Flowers attract butterflies and hummingbirds.
Continue moderate watering and fertilize every 2-3 weeks with bloom-promoting fertilizer (higher phosphorus). Deadhead spent flower clusters to encourage continued blooming. Monitor for pests.
Post-Flowering/Dormancy
2-4 monthsFlowering slows in cool months; foliage may remain or partially drop depending on temperature.
Reduce watering significantly in winter. Stop fertilizing in fall/winter. Prune back by 1/3 in early spring to rejuvenate plant. In zone 8, provide frost protection or mulch heavily.
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; prune affected foliage
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Yellow sticky traps; neem oil spray; reflective mulch; encourage natural predators
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Neem oil or pyrethrin spray; prune heavily infested branches; improve air circulation
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Spray with neem oil or insecticidal soap; remove with alcohol-soaked cotton swab; isolate infested plants
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Improve air circulation; avoid overhead watering; spray with sulfur or potassium bicarbonate if severe
Uses
Herbal tea brewing
CulinaryLantana leaves and flowers have been traditionally used to make herbal teas with mild medicinal properties in tropical regions, though use varies by cultivar and local traditions. [source]
Pollinator magnet
WildlifeThe intense blue-purple flowers are highly attractive to butterflies, hummingbirds, and other pollinating insects, making this plant ideal for pollinator gardens and wildlife conservation landscapes. [source]
Ornamental landscaping
HouseholdLantana 'Indigo Blue' is widely used as an ornamental shrub in tropical and subtropical gardens, container plantings, and mixed flower borders for its stunning long-lasting color and low-maintenance nature. [source]
Floral arrangements
CraftThe distinctive deep blue and purple flower clusters can be cut and used in fresh or dried floral arrangements and bouquets, adding exotic color and texture. [source]
Traditional plant medicine
MedicinalIn some tropical cultures, lantana has been used traditionally for anti-inflammatory and wound-healing properties, though scientific evidence is limited and use should be cautious due to potential toxicity. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Lantana is ornamental and not harvested in the traditional sense. Deadhead spent flower clusters regularly throughout the bloom season by pinching or cutting them off just below the cluster to encourage continuous flowering. Cut fresh flowers for arrangements by snipping stems in the morning. Prune back heavily in early spring before new growth begins.
Fun Facts
- 🌱 Lantana flowers typically display two different colors simultaneously (in this case shades of blue and purple) due to anthocyanin pigments that change concentration as flowers age, creating a dynamic visual display that attracts different insect species.
- 🌱 Lantana is considered invasive in some tropical regions (particularly Hawaii and Australia) where it spreads rapidly and outcompetes native plants, so responsible disposal of plant material is important in those areas.
- 🌱 The aromatic foliage of lantana contains volatile oils that some insects find repellent, making it useful as a natural pest-deterrent plant in ornamental gardens, though it is beloved by butterflies and hummingbirds.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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