Calla vs Crimson Clover Plant Comparison
Compare these two plants side by side — care needs, key differences, and which is right for your home.
Calla
Zantedeschia aethiopica
Zantedeschia aethiopica, commonly known as Calla Lily, is a rhizomatous herbaceous perennial prized for its elegant, trumpet-shaped spathes (modified leaves) that surround a central spadix. While often called a lily, it is not a true lily. It grows from rhizomes, producing large, arrow-shaped, glossy green leaves. It is primarily an outdoor plant, thriving in moist conditions. People grow it for its striking flowers, often used in bouquets and floral arrangements. It can be grown indoors, but requires specific conditions to thrive and may not flower as readily as outdoors.
Crimson Clover
Trifolium incarnatum
Crimson Clover is an annual legume typically grown as a cover crop, forage crop, or for ornamental purposes. It features vibrant crimson-red, elongated flower heads that bloom in the spring and early summer. The plant has trifoliate leaves, characteristic of clovers. It is primarily an outdoor plant, thriving in fields and meadows. People grow it for its ability to fix nitrogen in the soil, improve soil structure, attract pollinators, and add a splash of color to landscapes.
Quick Plant Comparison
| Feature | Calla | Crimson Clover |
|---|---|---|
| Light | Bright, indirect light to full sun outdoors. Indoors, provide bright indirect light, ideally near an east- or west-facing window. | Full sun to partial shade |
| Watering | Every 3-7 days during the growing season, less frequently in winter. | Every 2-3 days during establishment, then every 5-7 days depending on weather and soil moisture |
| Humidity | 40-60% | 40-60% |
| Temperature | 18-24°C | 15-24°C |
| Care Level | Moderate | Expert |
| Growth Rate | Moderate | Fast |
| Max Height | Indoors: 0.6-1 meter | 0.3-0.6 meters (outdoors) |
| Pet Safety | ❌ Toxic To Pets | ❌ Toxic To Pets |
| Soil | Well-draining potting mix rich in organic matter. A mix of peat moss, perlite, and compost is suitable. | Well-drained soil, adaptable to various soil types but prefers slightly acidic to neutral pH |
| Beginner Friendly | With Caution | ❌ No |
| Weekly Maintenance | 10 minutes weekly | 5-10 minutes weekly (primarily for watering and occasional weeding) |
🔬 Botanical Information — Comparing These Plants
Calla
| Scientific Name | Zantedeschia aethiopica |
|---|---|
| Family | Araceae |
| Native To | South Africa |
| Also Known As | Calla Lily, Arum Lily, Trumpet Lily |
| Leaves | Large, arrow-shaped, glossy green leaves. The leaves can be up to 45 cm long and 25 cm wide. Some varieties have speckled or variegated leaves. |
| Flowers | Can flower indoors with proper care, but more reliably flowers outdoors. The 'flower' is a modified leaf called a spathe, which is typically white, but can also be pink, yellow, orange, or purple. The spadix, the yellow spike in the center, is where the true flowers are located. |
Crimson Clover
| Scientific Name | Trifolium incarnatum |
|---|---|
| Family | Fabaceae |
| Native To | Native to Europe |
| Also Known As | Crimson Clover, Italian Clover, Carnation Clover |
| Leaves | Trifoliate leaves, typical of clovers, with rounded leaflets and a smooth texture. The leaves are generally green, sometimes with a slight reddish tint. |
| Flowers | Does not typically flower indoors. Outdoors, it produces elongated, cone-shaped flower heads composed of numerous small, crimson-red flowers. The flowers bloom in spring and early summer. |
📏 Size & Growth — Plant Comparison
Calla
Crimson Clover
🌱 Propagation — Comparing Plant Growth
Calla
Methods: Division, Seed
Difficulty: Moderate
Tips: Divide rhizomes in early spring before new growth begins. Ensure each division has at least one eye (bud). Plant divisions in well-draining soil and keep moist. Seed propagation is possible but slower.
Crimson Clover
Methods: Seed
Difficulty: Easy
Tips: Sow seeds directly into the soil in early spring or fall. Ensure good soil contact and keep the soil moist until germination.
✨ Benefits & Features — Comparing Plant Value
Calla
The Calla Lily is not a true lily, but a rhizomatous perennial with a unique spathe and spadix flower structure. Its elegant, trumpet-shaped flowers make it a popular choice for bouquets and floral arrangements. It requires a dormant period in winter to promote flowering in the following season.
- ✓ Aesthetically pleasing flowers.
- ✓ Can be used for cut flower arrangements.
- ✓ Adds a touch of elegance to any room.
- ✓ Can improve mood and reduce stress.
- ✓ Provides a sense of accomplishment through successful care.
- ⚠️ Toxic to pets
Crimson Clover
Crimson Clover is unique for its vibrant crimson-red flower heads and its ability to fix nitrogen in the soil, making it a valuable cover crop. Its rapid growth and attractive flowers make it a popular choice for both agricultural and ornamental purposes.
- ✓ Improves soil fertility through nitrogen fixation.
- ✓ Attracts beneficial pollinators like bees.
- ✓ Provides a beautiful ground cover with vibrant red flowers.
- ✓ Suppresses weed growth when used as a cover crop.
- ✓ Enhances soil structure and prevents erosion.
- ⚠️ Toxic to pets
📅 Maintenance Schedule — Plant Care Comparison
Calla
Crimson Clover
🌞 Light Requirements
Calla
Bright, indirect light to full sun outdoors. Indoors, provide bright indirect light, ideally near an east- or west-facing window.
Low light tolerant: ❌ No
Crimson Clover
Full sun to partial shade
Low light tolerant: ❌ No
💧 Watering Needs
Calla
Keep the soil consistently moist, especially during the growing season. Water thoroughly when the top inch of soil feels dry. Reduce watering in the dormant period. Overwatering can lead to rhizome rot, indicated by yellowing leaves and a foul odor. Underwatering results in wilting and browning leaf tips.
Crimson Clover
Water regularly to keep the soil consistently moist, especially during germination and establishment. Avoid overwatering, which can lead to root rot. Allow the top inch of soil to dry out slightly between waterings once established. Signs of underwatering include wilting and dry, brittle leaves. Overwatering can cause yellowing leaves and a musty smell.
🌡️ Temperature & Humidity
Calla
Temperature: 18-24°C
Humidity: 40-60%
Crimson Clover
Temperature: 15-24°C
Humidity: 40-60%
🤔 Which Plant Is Right For You?
Calla
Zantedeschia aethiopicaExperienced plant enthusiasts seeking a flowering plant with elegant blooms, willing to provide specific care requirements.
✅ Choose This Plant If...
- You appreciate elegant, trumpet-shaped flowers.
- You can provide bright, indirect light and consistent moisture.
- You are willing to provide a dormant period in winter.
- You are experienced with plant care and can address potential problems.
- You want a plant that can be used for cut flower arrangements.
❌ Skip This Plant If...
- You have pets that may ingest the plant.
- You cannot provide bright light or consistent moisture.
- You are a beginner plant owner.
- You prefer low-maintenance plants.
Crimson Clover
Trifolium incarnatumGardeners looking to improve soil health, attract pollinators, and add a vibrant splash of color to their landscapes.
✅ Choose This Plant If...
- You want to improve soil health naturally.
- You need a cover crop to prevent erosion.
- You want to attract pollinators to your garden.
- You desire a vibrant red ground cover in spring.
- You need a nitrogen-fixing plant for your garden.
❌ Skip This Plant If...
- You are looking for an indoor plant.
- You have pets that may ingest it.
- You have limited sunlight in your garden.
🎯 Quick Verdict
⚡ Key Differences Between These Plants
Calla is rated Moderate care level, while Crimson Clover is Expert.
Calla has moderate growth, while Crimson Clover grows fast.
💡 Pro Tips For Comparing These Plants
Calla Care Tips
Calla Lilies require bright light and consistent moisture. They can be grown indoors, but may not flower as readily as outdoors. Ensure good drainage to prevent rhizome rot. Toxicity to pets is a significant concern. Requires a dormant period in winter.
- Provide a dormant period in winter by reducing watering and keeping the plant in a cool location.
- Ensure good drainage to prevent rhizome rot.
- Fertilize regularly during the growing season to promote flowering.
- Monitor for pests and diseases and treat promptly.
- Provide bright, indirect light for optimal growth and flowering.
Crimson Clover Care Tips
Crimson Clover is primarily an outdoor plant and is challenging to grow indoors due to its high light requirements and need for open space. It requires full sun and well-drained soil. Indoor cultivation is not recommended.
- Sow seeds in early spring or fall for best results.
- Ensure good soil contact when sowing seeds.
- Water regularly during establishment.
- Avoid overwatering to prevent root rot.
- Consider using as a green manure by tilling into the soil after flowering.
⚠️ Common Problems & Solutions — Plant Care Comparison
Calla
Crimson Clover
❓ Frequently Asked Questions — Comparing These Plants
Calla
What are the light requirements for Calla?
Calla lilies thrive in bright, indirect light. Direct sunlight can scorch their leaves, so avoid placing them in south-facing windows without some form of shading. An east- or west-facing window is ideal, providing ample light without the intensity of direct sun. If you notice the leaves becoming pale or the plant failing to bloom, it may not be receiving enough light. In such cases, consider supplementing with artificial grow lights. During the darker winter months, supplemental lighting is particularly beneficial to maintain healthy growth and encourage future blooms. Ensure the light is diffused to prevent leaf burn. Regular rotation of the plant ensures all sides receive adequate light, preventing uneven growth.
How do I care for Calla?
Calla lilies require bright, indirect light for optimal growth and blooming. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. During the growing season (spring and summer), fertilize every 2-4 weeks with a balanced liquid fertilizer diluted to half strength to encourage flowering. Reduce watering and fertilization during the dormant period in fall and winter. Maintain a humidity level of 50-60%. Repot annually in spring using well-draining potting mix. Remove spent flowers to encourage more blooms. Monitor for pests like aphids and spider mites, and treat promptly if detected. Provide support for taller varieties to prevent them from bending. Rotate the plant regularly to ensure even growth and prevent leaning towards the light source. Protect from frost and freezing temperatures.
How do I propagate Calla?
Calla lilies can be propagated by division, stem cuttings (though less common), and keiki (small plantlets that sometimes form on the plant).
Crimson Clover
What are the light requirements for Crimson Clover?
Crimson Clover thrives best in full sun, requiring at least 6 hours of direct sunlight per day to produce abundant blooms. However, it can tolerate partial shade, especially in hotter climates where afternoon shade can prevent scorching. When grown indoors, place the plant near a south-facing window to maximize light exposure. Insufficient light can lead to leggy growth and reduced flowering. Rotate the plant regularly to ensure even light distribution. If natural light is limited, consider using grow lights to supplement. Monitor the plant’s growth and adjust its position as needed to ensure it receives adequate light.
How do I care for Crimson Clover?
Crimson Clover is relatively easy to care for, making it a great option for beginners. Plant seeds in well-drained soil in a location that receives full sun to partial shade. Water regularly, especially during dry periods, to keep the soil consistently moist but not waterlogged. Fertilize sparingly, as excessive fertilization can inhibit flowering. A balanced fertilizer applied once or twice during the growing season is usually sufficient. Deadhead spent flowers to encourage continued blooming. Monitor for pests and diseases, and address any issues promptly. Provide support if the plants become leggy or top-heavy. In colder climates, Crimson Clover can be grown as an annual or biennial. Proper drainage is crucial to prevent root rot.
How do I propagate Crimson Clover?
Crimson Clover is most commonly propagated by seed. Sow seeds directly into well-drained soil in early spring or fall. Ensure the soil is consistently moist until germination occurs, which typically takes 7-14 days. Thin seedlings as needed to provide adequate spacing. While division and stem cuttings are not commonly used for Crimson Clover propagation, seed saving is a straightforward method. Allow seed heads to dry on the plant, then collect the seeds and store them in a cool, dry place until ready to sow. Direct sowing is generally the most successful method for propagating Crimson Clover.
Last updated: April 25, 2026 — Plant care data reviewed and verified by our editorial team.