Mother of Millions vs Princess Flower Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Mother of Millions

Mother of Millions

Kalanchoe daigremontiana

VS
Princess Flower

Princess Flower

Tibouchina urvilleana

Mother of Millions

Mother of Millions

Kalanchoe daigremontiana

Kalanchoe daigremontiana, commonly known as Mother of Thousands, is a succulent perennial characterized by its unique reproductive strategy. It features fleshy, oblong leaves with serrated edges, along which numerous plantlets (bulbils) develop. These plantlets readily drop off and root, leading to rapid propagation. The plant typically grows upright, reaching heights of up to 1 meter. While it can be grown indoors, it thrives outdoors in warm climates. People grow it for its unusual appearance and ease of propagation, although its invasive potential should be considered. It is primarily an outdoor plant that can be challenging to maintain indoors due to high light requirements.

Crassulaceae Madagascar
✨ Features: Unique reproductive strategy with plantlets forming along leaf margins
📖 Read Complete Mother of Millions Guide
Princess Flower

Princess Flower

Tibouchina urvilleana

Tibouchina urvilleana, commonly known as Princess Flower, is a fast-growing evergreen shrub or small tree prized for its vibrant purple flowers. Native to Brazil, it typically grows outdoors in warm climates. It features velvety, dark green leaves and produces profuse blooms throughout the warmer months. While it can be grown in containers, it requires significant sunlight and humidity to thrive, making it challenging to maintain indoors long-term. People grow it for its showy flowers and tropical appearance.

Melastomataceae Brazil
✨ Features: Prolific blooms, attractive foliage
📖 Read Complete Princess Flower Guide

Quick Plant Comparison

Feature Mother of Millions Princess Flower
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and plantlet production. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 2-3 weeks, depending on environmental conditions Every 3-7 days, depending on environmental conditions and pot size.
Humidity 20-40% 50-70%
Temperature 18-27°C 18-27°C
Care Level Expert Expert
Growth Rate Fast Fast
Max Height 0.3-1 meter indoors 1-2 meters (indoors, rarely reaches outdoor size)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent or cactus mix Well-draining, slightly acidic soil mix. A mix of potting soil, peat moss, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 30 minutes weekly

🔬 Botanical Information — Comparing These Plants

Mother of Millions

Scientific Name Kalanchoe daigremontiana
Family Crassulaceae
Native To Madagascar
Also Known As Mother of Thousands, Alligator Plant, Devil's Backbone
Leaves The leaves are fleshy, oblong, and lance-shaped, typically 10-20 cm long and 2-3 cm wide. They are usually a grayish-green color, sometimes with purple mottling on the underside. The edges of the leaves are serrated, and it is along these serrations that the plantlets develop.
Flowers It rarely flowers indoors. When it does flower outdoors, it produces clusters of small, bell-shaped, pinkish-purple flowers.

Princess Flower

Scientific Name Tibouchina urvilleana
Family Melastomataceae
Native To Brazil
Also Known As Princess Flower, Glory Bush, Lasiandra
Leaves Oppositely arranged, ovate to lance-shaped leaves with a velvety texture. The leaves are typically dark green and can grow up to 15 cm long.
Flowers Produces profuse, showy purple flowers with prominent stamens. Flowers are typically 7-10 cm in diameter. Flowering is less likely indoors due to insufficient light.

📏 Size & Growth — Plant Comparison

Mother of Millions

Height 0.3-1 meter indoors
Spread Spreads aggressively via plantlets, potentially covering a wide area
Growth Rate Fast
Growth Pattern The plant grows upright, forming a single stem or multiple stems. It does not climb or trail. The plantlets that form on the leaf margins eventually drop off and root, creating new plants around the base of the parent plant. It can become invasive if not contained.

Princess Flower

Height 1-2 meters (indoors, rarely reaches outdoor size)
Spread 1-1.5 meters (indoors)
Growth Rate Fast
Growth Pattern Bushy shrub or small tree with an upright growth habit. It can be pruned to maintain a desired shape and size.

🌱 Propagation — Comparing Plant Growth

Mother of Millions

Methods: Plantlets (bulbils), leaf cuttings

Difficulty: Easy

Tips: Simply place the plantlets on top of well-draining soil. They will readily root. Leaf cuttings can also be used, allowing the cut end to callous over before planting.

Princess Flower

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take stem cuttings in spring or summer. Dip the cut end in rooting hormone and plant in moist potting mix. Keep the cuttings in a warm, humid environment until roots develop.

✨ Benefits & Features — Comparing Plant Value

Mother of Millions

The most distinctive feature of Kalanchoe daigremontiana is the production of numerous plantlets along the margins of its leaves. These plantlets are essentially clones of the parent plant and readily root when they fall off, leading to rapid propagation. This reproductive strategy is quite unusual among plants.

  • ✓ Unique and interesting appearance
  • ✓ Easy propagation
  • ✓ Drought tolerant
  • ✓ Can be grown outdoors in warm climates
  • ✓ Provides a talking point for visitors
  • ⚠️ Toxic to pets

Princess Flower

The velvety texture of the leaves and the vibrant purple color of the flowers make this plant stand out. It's also a fast grower, quickly filling in garden spaces.

  • ✓ Provides vibrant color to gardens and patios.
  • ✓ Attracts pollinators like bees and butterflies.
  • ✓ Can be pruned into a desired shape.
  • ✓ Offers a tropical aesthetic.
  • ✓ Can be grown in containers on patios or balconies.
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Mother of Millions

Repotting Repot annually in spring, especially if the plant becomes root-bound or the soil is depleted. Choose a pot only slightly larger than the previous one.
Pruning Prune to remove dead or damaged leaves. Remove plantlets to control spread.
Fertilizing Balanced liquid fertilizer diluted to half strength, applied sparingly during the growing season (spring and summer)
Seasonal Care Reduce watering in winter during dormancy. Provide ample sunlight during the growing season (spring and summer). Protect from frost.

Princess Flower

Repotting Repot every 1-2 years in spring, or when the plant becomes root-bound.
Pruning Prune after flowering to maintain shape and encourage bushier growth. Remove any dead or diseased branches.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength every 2-4 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and fertilization. Protect from frost if grown outdoors. In summer, provide ample water and fertilizer to support flowering.

🌞 Light Requirements

Mother of Millions

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth and plantlet production.

Low light tolerant: ❌ No

Princess Flower

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.

Low light tolerant: ❌ No

💧 Watering Needs

Mother of Millions

Allow the soil to dry out completely between waterings. Water thoroughly when the soil is dry to the touch. Overwatering can lead to root rot. Signs of underwatering include shriveled leaves, while overwatering can cause soft, mushy leaves.

Princess Flower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Allow excess water to drain away. Signs of underwatering include wilting leaves; signs of overwatering include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Mother of Millions

Temperature: 18-27°C

Humidity: 20-40%

Princess Flower

Temperature: 18-27°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Mother of Millions

Mother of Millions

Kalanchoe daigremontiana
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced plant owners in warm climates who can manage its invasive potential and keep it away from pets.

✅ Choose This Plant If...

  • You enjoy unique and unusual plants.
  • You want a plant that is easy to propagate.
  • You live in a warm climate where it can thrive outdoors.
  • You are an experienced gardener who can manage its invasive tendencies.
  • You want a plant that tolerates neglect.

❌ Skip This Plant If...

  • You have pets or small children due to its toxicity.
  • You are a beginner gardener.
  • You live in a cold climate with limited sunlight.
  • You want a low-maintenance indoor plant.
📍 Ideal Location: Bright, sunny windowsill or outdoor patio in warm climates
🎨 Style: Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant are toxic to dogs, cats, and horses. The toxins are bufadienolides. Symptoms include vomiting, diarrhea, abnormal heart rhythm, and weakness. According to the ASPCA.
Princess Flower

Princess Flower

Tibouchina urvilleana
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners in warm climates who want a showy flowering shrub for their garden.

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunshine.
  • You want a plant with vibrant purple flowers.
  • You have experience caring for demanding plants.
  • You have a greenhouse or sunroom to provide adequate light and humidity.
  • You are willing to provide regular pruning and fertilization.

❌ Skip This Plant If...

  • You live in a cold climate with limited sunlight.
  • You are a beginner gardener.
  • You have pets that may ingest the plant.
  • You don't have time for regular pruning and fertilization.
  • You don't have a bright, sunny location.
📍 Ideal Location: Bright, sunny windowsill or sunroom (if indoors). Outdoor patio or garden in warm climates.
🎨 Style: Tropical, Bohemian, Traditional
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Tibouchina species are toxic to dogs, cats, and horses. Symptoms include vomiting and diarrhea. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Mother of Millions Care Tips

Mother of Thousands requires bright light and well-draining soil. It is prone to becoming leggy indoors without sufficient light. Its aggressive propagation can make it invasive. Toxicity to pets is a major concern. Indoor cultivation requires careful monitoring and control.

  • Provide at least 6 hours of direct sunlight daily.
  • Allow the soil to dry out completely between waterings.
  • Use a well-draining succulent mix.
  • Remove plantlets regularly to control spread.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering significantly during the winter months as the plant's growth slows down. Ensure the plant is protected from frost if grown outdoors. Provide as much light as possible.
☀️ Summer: Water more frequently during the summer months as the plant actively grows. Protect from intense afternoon sun to prevent leaf burn. Fertilize sparingly during the growing season.

Princess Flower Care Tips

Princess Flower is primarily an outdoor plant that requires full sun and high humidity. Indoor cultivation is challenging due to the difficulty of providing adequate light and humidity. It needs regular watering and fertilization. Expect reduced flowering and potential pest issues indoors.

  • Provide at least 6 hours of direct sunlight daily.
  • Water thoroughly when the top inch of soil is dry.
  • Fertilize regularly during the growing season.
  • Prune after flowering to maintain shape.
  • Monitor for pests and diseases regularly.
❄️ Winter: Reduce watering frequency. Protect from frost if grown outdoors. Avoid fertilizing during the dormant season.
☀️ Summer: Provide ample water and fertilizer to support flowering. Protect from intense afternoon sun in extremely hot climates to prevent leaf scorch.

⚠️ Common Problems & Solutions — Plant Care Comparison

Mother of Millions

Common Issues: Leggy growth, root rot, pest infestations (mealybugs, aphids), invasive spread
Solutions: Provide more light to prevent leggy growth. Ensure well-draining soil and avoid overwatering to prevent root rot. Treat pest infestations with insecticidal soap or neem oil. Remove plantlets regularly to control spread.

Princess Flower

Common Issues: Spider mites, Aphids, Root rot, Leaf spot
Solutions: Spider mites/Aphids: Treat with insecticidal soap or neem oil. Root rot: Improve drainage and reduce watering frequency. Leaf spot: Remove affected leaves and apply a fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Mother of Millions

What are the light requirements for Mother of Millions?

Mother of Millions requires bright, indirect sunlight for optimal growth and development. Insufficient light can lead to etiolation, where the plant becomes leggy and pale. A south-facing or west-facing window is ideal, providing ample sunlight. If natural light is limited, consider using a grow light to supplement its needs.

How do I care for Mother of Millions?

Mother of Millions is a low-maintenance succulent that thrives on neglect. Provide bright, indirect sunlight for at least 6 hours daily. Water sparingly, allowing the soil to dry completely between waterings, typically every 2-4 weeks, depending on the environment. Use a well-draining succulent or cactus mix to prevent root rot.

How do I propagate Mother of Millions?

Mother of Millions is incredibly easy to propagate. Leaf cuttings: Gently detach a leaf and allow the cut end to callous over for a few days. Place the leaf on top of well-draining soil and wait for roots to form. Offsets: The plantlets that grow on the edges of the leaves will naturally fall off and root. Collect these plantlets and place them on top of soil. Stem cuttings: Cut a stem section, let it callous over, and plant it in well-draining soil. Keep the soil slightly moist until roots develop. Propagation is best done during the spring or summer months. The plantlets root very easily and quickly.

Princess Flower

What are the light requirements for Princess Flower?

Princess Flower thrives in bright, indirect sunlight. Ideally, it needs at least 6 hours of sunlight per day to produce abundant blooms. A location near an east- or west-facing window is often suitable indoors. Avoid direct afternoon sun, which can scorch the leaves. If grown outdoors, provide partial shade during the hottest part of the day. Insufficient light can result in fewer blooms and leggy growth. Rotate the plant regularly to ensure even light exposure on all sides. During the winter months, when sunlight is less intense, consider supplementing with artificial grow lights.

How do I care for Princess Flower?

Princess Flower requires well-draining, acidic soil with a pH of 5.5 to 6.5. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain. Fertilize every 2-4 weeks during the growing season (spring to fall) with a balanced fertilizer formulated for flowering plants. Prune regularly to maintain shape and encourage bushier growth and more blooms. Provide bright, indirect sunlight for at least 6 hours a day. Maintain a moderate humidity level, especially indoors. Protect from frost and freezing temperatures. Repot every 1-2 years as needed, using a slightly larger pot. Monitor for pests like aphids and spider mites, and treat promptly if detected. Ensure good air circulation to prevent fungal diseases.

How do I propagate Princess Flower?

Princess Flower can be propagated using stem cuttings. Take 4-6 inch cuttings from new growth in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix. Keep the soil moist and provide bright, indirect light. Rooting typically occurs within 4-8 weeks. Division can be done when repotting mature plants, carefully separating the root ball. Keikis are not common on Princess Flower.

Last updated: May 12, 2026 — Plant care data reviewed and verified by our editorial team.