How to Grow Flaming Katy Carmine Red
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Flaming Katy Carmine Red
Kalanchoe blossfeldiana 'Carmine Red'
shrubFlaming Katy Carmine Red is a compact, succulent houseplant prized for its vibrant deep red flowers that bloom in dense clusters. This cultivar of Kalanchoe blossfeldiana is a tender perennial native to Madagascar, known for its ornamental foliage and long-lasting, brilliant carmine-red blooms that appear in winter and early spring.
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Example Flaming Katy Carmine Red timeline · Pittsburgh, PA (Zone 6b)
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Plant Flaming Katy Carmine Red
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 Flaming Katy Carmine Red
Around Apr 29≈ 12 days after planting
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Growing Conditions
Soil
Growing Zones
Find your zone →Zones 10b-11 outdoors; widely grown as a houseplant in all zones
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Seedling
4-6 weeksTiny succulent rosettes with 2-4 true leaves, very delicate and slow-growing
Keep soil lightly moist (not wet); provide bright indirect light; maintain warm temperatures (70-80°F); avoid handling fragile leaves
Vegetative Growth
2-4 monthsPlant develops a compact, bushy form with oval, fleshy green leaves arranged in rosettes; stem thickens
Water only when dry; allow bright light; pinch growing tips to encourage bushiness; maintain 65-75°F; minimal fertilization
Bud Formation
4-8 weeksDense flower buds appear at stem tips, initially green, beginning to show color hints
Provide 12-14 hours of uninterrupted darkness daily for 6-8 weeks to trigger blooming; maintain cool temperatures (55-65°F at night); reduce watering slightly; do not move the plant
Flowering
4-6 weeksBrilliant carmine-red, star-shaped flowers open in dense terminal clusters; plant is at peak ornamental value
Maintain cooler nighttime temperatures (55-65°F) to extend bloom duration; reduce watering; avoid moving plant; remove spent flowers to encourage repeat blooming
Post-Bloom & Rest
6-8 weeksFlowers fade and drop; plant enters dormancy; growth slows significantly
Gradually reduce watering further; provide cooler temperatures (50-60°F); minimal fertilizer; allow plant to rest for 6-8 weeks before increasing care
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with insecticidal soap or neem oil; remove with rubbing alcohol on cotton swab; isolate affected plant; improve air circulation
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Spray with horticultural oil; manually scrape off with soft brush; apply neem oil; repeat treatments every 7-10 days
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Increase humidity slightly; spray with water mist; use miticide or neem oil; ensure good air circulation
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Allow soil to dry completely between waterings; use sticky yellow traps; apply sand layer on top of soil; reduce humidity
Uses
Ornamental Indoor Decoration
HouseholdFlaming Katy Carmine Red is a classic winter-blooming houseplant that provides brilliant color when outdoor gardens are dormant. Its compact size makes it perfect for windowsills, desks, and festive holiday decorating. [source]
Cut Flower Arrangements
CraftThe dense clusters of carmine-red flowers are excellent for fresh floral arrangements, adding vibrant color and texture to bouquets. Cut clusters last 7-14 days in water, making them suitable for holiday centerpieces. [source]
Traditional Herbal Use
MedicinalIn traditional medicine, Kalanchoe species have been used for anti-inflammatory and wound-healing applications, though scientific evidence is limited. The plant is sometimes used in herbal remedies in African and Asian traditional medicine. [source]
Ornamental Nectar Source
WildlifeThe flowers attract pollinators including bees and butterflies when grown outdoors in warm climates. As a winter bloomer, it provides valuable nectar when other flowers are scarce. [source]
Low-Maintenance Indoor Plant
HouseholdThis succulent's drought tolerance and minimal care requirements make it ideal for busy gardeners or those with limited space. It thrives on neglect compared to most houseplants, requiring watering only every 2-4 weeks. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
This is an ornamental houseplant, not grown for harvest. Enjoy the flowers in place; deadhead spent blooms to encourage extended flowering. Cut flower clusters can be used in floral arrangements and last 1-2 weeks in water.
Fun Facts
- 🌱 Flaming Katy requires precise day-length manipulation to bloom; the plant uses a photoperiodic response to short winter days, triggering flower formation after 6-8 weeks of 12-14 hour darkness.
- 🌱 This plant is native to Madagascar and was named 'Flaming Katy' as a commercial cultivar in the 1960s, becoming one of the most popular winter-blooming houseplants globally.
- 🌱 The dense, waxy flowers are extremely long-lasting for a succulent bloom, often persisting for 4-6 weeks even indoors, making it one of the longest-flowering potted succulents available.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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