Tall Kalanchoe

kalanchoe longiflora

Also known as: ["Long-flowered Kalanchoe"]

Family: Crassulaceae Genus: Kalanchoe Category: Succulents & Cacti

Overview

A succulent plant with long, tubular flowers and fleshy leaves, native to South Africa.

Benefits & Perks

["drought tolerant","low maintenance","aesthetic foliage"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Saxifragales
Family: Crassulaceae
Genus: Kalanchoe
Botanical Name: Kalanchoe longiflora

Plant Characteristics

Basic Information
  • Category: Succulents & Cacti
  • Suitable Location: indoor pot in bright, sunny location or outdoor in a sheltered spot
  • Suitable For:
    Beginners Busy People (low Maintenance) Indoor Plant Lovers Outdoor Landscapers Pet Owners (non Toxic Plants Only)
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"10–30°C"}
  • Hardiness: {"zones":"9–11"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent waterlogging.
  • Soil Type: Well-draining cactus or succulent mix with added perlite for aeration.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: high
  • Pruning Frequency: As needed after flowering or every 6–12 months to control size.
  • Pruning Intensity: Light to moderate; avoid heavy pruning unless necessary.
Care Details

Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; tolerates some direct sun but prefers filtered light, especially in summer.

Sunlight Tolerance Tips:
Acclimate slowly to direct sun to avoid scorching; place in east-facing windows for ideal light; move outdoors gradually in spring.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor drainage or overwatering.

Care Requirements

Care Difficulty
easy

moderate

Sunlight

full sun to partial shade

Rotate plant weekly for even growth; avoid intense midday sun; provide shade during peak summer.

Watering

every 7–10 days during active growth, reduce frequency in winter

Allow soil to dry between waterings; water less in winter; avoid overwatering.

Soil

well-draining, sandy potting mix

pH: Slightly acidic to neutral (pH 6.0–7.0).

Use pots with drainage holes; avoid heavy garden soil; topdress with gravel for extra drainage.

Temperature

Ideal range 60–75°F (15–24°C); prefers cooler temperatures in winter (50–60°F/10–15°C) to encourage blooming.

Avoid sudden temperature changes; keep away from heating/cooling vents; maintain stable conditions.

Fertilizing

every 4–6 weeks during spring and summer, none in fall and winter

Dilute fertilizer to prevent burn; fertilize only when actively growing; flush soil occasionally to prevent salt buildup.

Propagation

Methods

Stem cuttings or leaf cuttings; stem cuttings are more reliable for this species.

Step-by-Step Propagation Guide
  1. Take a 3–4 inch cutting.
  2. Let it callus for a day.
  3. Plant in medium.
  4. Keep moist and warm.

Best Time: Spring or early summer when the plant is actively growing.

Environment

Warm (70–75°F/21–24°C), high humidity (60–70%), and indirect light.

Medium

Well-draining mix of perlite and peat moss or cactus soil.

Hormone

Optional but recommended for faster rooting.

Timeline

Roots in 3–6 weeks; establish in 2–3 months.

Tools Needed

Sharp scissors, rooting hormone, small pots, misting bottle.

Quick Tips

Use sterile tools; avoid overwatering cuttings; provide bottom heat for faster rooting.

Pruning & Repotting

Pruning Guide
Method

Pinch back tips or cut stems just above a leaf node.

Pruning Plan

Remove spent flower stalks and leggy growth to maintain shape and encourage bushier growth.

Tools

Clean, sharp scissors or pruning shears.

Checklist

Sanitize tools; prune dead/damaged growth; shape as desired; dispose of clippings.

Repotting Guide
Best Season

Spring, before active growth begins.

Pot Size

One size larger pot; ensure it has drainage holes.

Method

Remove plant gently; trim roots if crowded; repot in fresh soil with good drainage.

Suggestions

Repot every 2–3 years or when roots fill the pot; prefers slightly root-bound conditions.

Checklist

Check root health; use fresh soil; ensure proper drainage; water lightly after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; adjust for season.

How to Apply Water Properly

Water deeply at the root zone until water drains from the bottom; ensure excess water is removed to prevent standing moisture; water in the morning to allow foliage to dry.

Pro Tip: Use room temperature water to avoid shocking the plant.
Watering Schedule Tips

Water thoroughly when the top inch of soil is dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add perlite or coarse sand to improve drainage; incorporate organic matter for fertility.

Temperature Stress Management
Signs of Temperature Issues

Wilting, leaf drop, or stunted growth in extreme heat; leaf discoloration or rot in cold.

Cold Stress

Slows growth; may cause root damage or leaf drop below 50°F (10°C); susceptible to frost.

Solution: Protect from drafts; move indoors before frost; use a space heater in extreme cold.

Hot Stress

Leaf scorch, wilting, or dehydration in temperatures above 85°F (29°C); may drop buds.

Solution: Provide shade; increase humidity with misting; ensure adequate watering.

Fertilizing Guide
Fertilizing Checklist

Check growth phase; dilute fertilizer; apply to moist soil; avoid winter feeding.

Fertilizing Method

Use balanced liquid fertilizer diluted to half strength every 4–6 weeks during growing season (spring/summer); cease in fall/winter.

Common Problems & Solutions

Yellow leaves in Kalanchoe longiflora may indicate nutrient deficiencies, overwatering, or pest infestations, leading to reduced photosynthesis and overall plant vigor.

Wilting in Kalanchoe longiflora can result from water stress, either due to overwatering causing root rot or underwatering leading to dehydration, both of which impair nutrient uptake.

Leaf spots on Kalanchoe longiflora may be caused by fungal or bacterial infections, leading to reduced photosynthetic efficiency and potential leaf drop.

Rotting, particularly root or stem rot, in Kalanchoe longiflora is often caused by excessive moisture and poor drainage, leading to decay of plant tissues and potential death of the plant.

Toxicity Warning

Cats
Toxic

Cats are highly sensitive to the cardiac glycosides in Kalanchoe longiflora. Ingestion can lead to severe cardiac issues, including arrhythmias and heart failure, which can be fatal if not treated promptly.

⚠️ Symptoms:
vomiting lethargy difficulty breathing irregular heartbeat tremors seizures
🌿 Toxic Parts:
leaves stems flowers
⚡ Toxic If:

if eaten

Ensure cats cannot access the plant. If ingestion is suspected, seek emergency veterinary care without delay.
Dogs
Toxic

The cardiac glycosides present in Kalanchoe longiflora can cause significant toxicity in dogs, affecting their cardiovascular system. Even small amounts can lead to serious health issues, particularly in smaller breeds.

⚠️ Symptoms:
vomiting diarrhea weakness difficulty breathing collapse irregular heartbeat
🌿 Toxic Parts:
leaves stems flowers
⚡ Toxic If:

if eaten

Keep plants away from dogs. If ingestion is suspected, contact a veterinarian immediately.
Humans
Slightly Toxic

Kalanchoe longiflora contains cardiac glycosides, which can affect the heart and circulatory system if ingested in significant quantities. The plant's effects are generally mild in humans but can be more pronounced in individuals with pre-existing heart conditions.

⚠️ Symptoms:
nausea vomiting abdominal pain irregular heartbeat dizziness
🌿 Toxic Parts:
leaves stems flowers
⚡ Toxic If:

if eaten

Keep out of reach of children and avoid ingestion. If accidental ingestion occurs, seek medical attention immediately.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is Kalanchoe longiflora toxic to pets?

A: It is mildly toxic to dogs and cats if ingested.

Q: How often should I water Kalanchoe longiflora?

A: Water sparingly, allowing the soil to dry out between waterings.

Q: Does Kalanchoe longiflora require full sun?

A: It thrives in bright, indirect light but can tolerate some direct sunlight.

Quick Reference
Family: Crassulaceae
Care: easy
Light: full sun to partial shade
Water: every 7–10 days during activ
Suitable For: ["beginners","busy people (low maintenance)","indoor plant lovers","outdoor landscapers","pet owners (non-toxic plants only)"]
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