HybridContainer OK

Flaming Katy

Kalanchoe blossfeldiana

a bush with red flowers and green leaves

A cheerful flowering succulent that produces dense clusters of small, vibrant flowers in shades of red, pink, orange, yellow, or white above thick, glossy green leaves. This Madagascar native blooms for weeks at a time and is often sold as a gift plant during holidays due to its long-lasting, colorful display. With proper care, it can be encouraged to rebloom year after year, making it a rewarding houseplant for bright indoor locations.

Sun

Partial shade

☀️

Zones

10–12

USDA hardiness

🗺️

Height

6-18 inches

📏

Complete Growing Guide

Light: Partial Shade (Direct sunlight only part of the day, 2-6 hours). Soil: Loam (Silt), Sand. Soil pH: Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage, Moist. Height: 0 ft. 6 in. - 1 ft. 6 in.. Spread: 0 ft. 6 in. - 1 ft. 0 in.. Spacing: Less than 12 inches. Growth rate: Slow. Maintenance: Low. Propagation: Stem Cutting.

Harvesting

The fruit is inconspicuous.

Edibility: Toxic if an part of the plant is ingested.

Storage & Preservation

Flaming Katy is a living houseplant, not a crop requiring post-harvest storage. However, to preserve plant longevity and vigor: keep the plant in a bright location with consistent temperatures above 50°F. If traveling, water thoroughly before leaving; the succulent nature means it tolerates 2-3 weeks without water.\n\nFor long-term preservation, propagate cuttings as insurance against plant loss. Cuttings root reliably in moist succulent soil within 2-3 weeks and can be kept as backup plants or shared. Store propagation soil in a cool, dry place. Dried cuttings (air-dried 24 hours before potting) can technically be stored in paper envelopes in cool conditions for weeks before planting, though fresh propagation yields faster establishment.\n\nIf the main plant declines with age (after 3-4 years), rejuvenate by taking fresh cuttings and starting new plants. This restarts the blooming cycle and maintains vigor.

History & Origin

Origin: Northeast Madagascar

Advantages

+Attracts: Bees, Butterflies, Hummingbirds
+Edible: Toxic if an part of the plant is ingested.
+Low maintenance

Considerations

-Toxic (Flowers, Leaves, Stems): Medium severity

Companion Plants

Flaming Katy does well grouped with other low-water succulents — Echeveria, Sedum, Jade Plant, and Hens and Chicks all share the same soil pH range (6.0–7.0) and the same dry-before-you-water discipline. That shared watering rhythm is what actually makes these pairings functional: one schedule fits all of them, and nobody gets drowned trying to satisfy a thirstier neighbor. Aloe Vera and String of Pearls fit the same pattern, and the contrast between Kalanchoe's waxy, clustered blooms and String of Pearls' trailing stems costs you nothing extra to maintain.

Mint and ferns belong in a completely different setup. Mint needs consistently moist soil and will either suffer alongside Kalanchoe or push you to water too often — either outcome causes a problem. Ferns require the kind of ambient humidity that tips Kalanchoe toward powdery mildew (Erysiphe spp.) on the leaf surface. Impatiens has the same high-water demands; put it in its own pot.

Plant Together

Jade Plant

Similar water and light requirements, compatible growth habits

Echeveria

Matching drought tolerance and full sun preferences

Sedum

Shared preference for well-draining soil and minimal watering

Aloe Vera

Similar succulent care needs and complementary foliage textures

String of Pearls

Compatible water requirements and creates attractive cascading contrast

Hens and Chicks

Both thrive in poor, well-draining soil with minimal care

Lavender

Drought-tolerant with similar sun exposure needs, repels pests

Rosemary

Shares preference for dry conditions and provides natural pest deterrent

Keep Apart

Mint

Requires frequent watering which can cause root rot in succulents

Ferns

Need high humidity and frequent watering, incompatible with succulent care

Impatiens

Require consistent moisture and shade, opposite of succulent needs

Pests & Disease Resistance

Resistance

Good resistance with proper watering

Common Pests

Aphids, mealybugs, scale insects

Diseases

Root rot, powdery mildew in humid conditions, leaf spot

Troubleshooting Flaming Katy

What you'll see, why it happens, and what to do about it.

Stems turning brown and mushy at the base, lower leaves going soft and translucent

Likely Causes

Root rot (Phytophthora or Pythium spp.) — almost always from sitting in water or a pot without drainage
Overwatering in winter when the plant's metabolism slows down

What to Do

1.Unpot the plant immediately and cut away any black or brown roots with clean scissors; let the root ball air-dry for 24 hours before repotting into fresh, well-draining succulent mix
2.Switch to a terracotta pot with a drainage hole — glazed ceramic and plastic both hold moisture too long for Kalanchoe
3.In winter, water no more than once every 2-3 weeks; the top inch of soil should feel completely dry before you add any water

White cottony clusters in leaf axils or along stems, leaves starting to look sticky or slightly distorted

Likely Causes

Mealybugs (Pseudococcus spp.) — common on indoor succulents, spread easily from a newly purchased plant
Low airflow and warm, dry indoor conditions that favor mealybug populations

What to Do

1.Dab individual bugs with a cotton swab soaked in 70% isopropyl alcohol — this kills on contact without damaging the leaf surface
2.For a heavier infestation, spray the whole plant with diluted neem oil (2 tsp per quart of water) every 7 days for 3 weeks
3.Quarantine any new succulent purchases for at least 2 weeks before setting them near your Flaming Katy

Frequently Asked Questions

How long does Flaming Katy take to flower?▼

Flaming Katy is fast. Mature plants produce flower buds within 2-4 weeks of receiving cool nights (50-60°F) in fall. Once buds form, flowers open within 1-2 weeks. The entire bloom display then lasts 4-6 weeks. Young rooted cuttings may take 3-4 months to reach flowering size, but established plants rebloom reliably each year with minimal intervention.

Is Flaming Katy good for beginners?▼

Yes, Flaming Katy is excellent for beginners because it's forgiving of neglect and propagates easily from cuttings. The main learning curve is resisting overwatering—succulents want to dry out between waterings. Once you master the 'soak and dry' watering rhythm, Flaming Katy rewards you with consistent blooms. Its low fertilizer needs and lack of pests make it genuinely low-maintenance.

Can you grow Flaming Katy in a pot indoors?▼

Flaming Katy is actually best grown in pots indoors. It's a houseplant, not a garden plant. Use a pot with drainage holes and succulent-specific potting mix. A 4-6 inch pot suits most mature plants. Indoor growing lets you control light, temperature, and humidity—giving you the cool nights it needs to trigger blooming. It's not reliably winter-hardy outdoors except in USDA zones 11-12.

Why won't my Flaming Katy bloom?▼

The most common reason is missing the cool rest period. Flaming Katy needs 4-6 weeks of nighttime temperatures between 50-60°F in late fall to form flower buds. If your home stays above 70°F year-round, blooming won't occur. Second, ensure bright indirect light (4-6 hours daily)—dark locations suppress buds. Third, avoid overwatering, which weakens the plant. Correct these three factors and blooming resumes within 2-3 months.

How do you propagate Flaming Katy?▼

Flaming Katy propagates from both stem and leaf cuttings. Take 2-3 inch stem cuttings or remove individual healthy leaves, allow them to air-dry for 24 hours on a paper towel, then place them on barely moist succulent potting soil. Don't bury them; just rest them on soil. Within 2-3 weeks, roots appear and new growth emerges. Keep soil lightly moist (not wet) during rooting. Once rooted, treat as mature plants.

How often should you water Flaming Katy?▼

Water only when the top inch of soil feels completely dry—this may be every 7-10 days in spring and summer, and every 2-3 weeks in fall and winter. The succulent leaves store water, so the plant prefers drying out between waterings. Always pour water until it drains from the bottom, then let excess drain completely. Never leave the pot sitting in water, as this guarantees root rot.