Wave of Brazil
calathea undulata
Also known as: ["Prayer Plant","Zebra Plant"]
Overview
A tropical evergreen perennial with striking, undulating foliage and vibrant patterns.
Benefits & Perks
["aesthetic foliage","shade tolerant","air purifying"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Liliopsida |
| Order: | Zingiberales |
| Family: | Marantaceae |
| Genus: | Calathea |
| Botanical Name: | Calathea undulata |
Plant Characteristics
Basic Information
- Category: Leaf Plants
- Suitable Location: indoor pot in a humid environment with bright, filtered light
- Suitable For:
- Is Weed: No
- Allergenicity: low
Environmental Needs
- Climate: {"temperatureRange":"18–27°C"}
- Hardiness: {"zones":"11–12"}
- Misting: every 2–3 days to maintain high humidity
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Peat-based potting mix with perlite or sand for aeration and drainage.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: As needed, typically every few months or when leaves show signs of damage.
- Pruning Intensity: Light to moderate; focus on removing only unhealthy or dead foliage.
Care Details
Ideal Sunlight Coverage:
Bright, indirect light for 6–8 hours daily; adjust to lower light in summer to prevent leaf burn.
Sunlight Tolerance Tips:
Gradually acclimate to brighter light; keep away from direct sun; rotate plant for even growth.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
bright, indirect light
Avoid direct sunlight; use sheer curtains for filtered light; monitor leaf color for light stress.
Watering
every 5–7 days, allowing soil to dry slightly between waterings
Use distilled or rainwater to avoid mineral buildup; maintain consistent moisture but avoid waterlogging.
Soil
moist, well-draining, peat-based potting mix
pH: Acidic to slightly acidic (pH 5.5–6.5).
Ensure soil is well-aerated; avoid heavy clay soils; maintain consistent moisture.
Temperature
Prefers 65–80°F (18–27°C); cooler temperatures in winter but avoid below 60°F (15°C).
Avoid sudden temperature changes; maintain stable humidity; protect from drafts.
Fertilizing
every 2 weeks during active growth (spring and summer), every 3 months with slow-release fertilizer
Dilute fertilizer to prevent burn; fertilize only when actively growing; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Division of rhizomes during repotting; stem cuttings are less reliable.
Step-by-Step Propagation Guide
- Separate rhizomes with healthy roots.
- Plant in new pots.
- Maintain high humidity and warmth.
Best Time: Spring or early summer when the plant is actively growing.
Environment
High humidity (70–90%), warm temperatures (70–80°F), and indirect light.
Medium
Well-draining potting mix with perlite or sand; can also use water for initial rooting.
Hormone
Optional but can help speed up root development.
Timeline
Roots may appear in 3–6 weeks; new growth in 2–3 months.
Tools Needed
Clean knife or shears, pots, well-draining soil, rooting hormone (optional).
Quick Tips
Ensure each division has roots; keep soil consistently moist; provide bottom heat if possible.
Pruning & Repotting
Pruning Guide
Method
Cut leaves at the base with clean, sharp tools; avoid cutting into healthy growth.
Pruning Plan
Remove yellow or damaged leaves to maintain appearance and health; encourage bushier growth.
Tools
Clean scissors or pruning shears.
Checklist
Sanitize tools; cut only damaged leaves; dispose of clippings properly.
Repotting Guide
Best Season
Spring or early summer when the plant is entering active growth.
Pot Size
One size up (e.g., from 4-inch to 6-inch pot); ensure good drainage.
Method
Remove plant gently, trim roots if necessary, place in a slightly larger pot with fresh soil, water lightly.
Suggestions
Repot every 1–2 years or when roots outgrow the pot; beneficial for growth and health.
Checklist
Choose appropriate pot size; use fresh soil mix; ensure drainage holes; water after repotting.
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture; use appropriate water type; ensure proper drainage; water in morning.
How to Apply Water Properly
Water until it drains from the bottom, ensuring even saturation of the root zone; avoid wetting foliage to prevent fungal issues.
Watering Schedule Tips
Water thoroughly when the top 1–2 inches of soil feel dry; reduce frequency in winter to prevent root rot.
Soil Improvement
Add perlite or coarse sand for drainage; incorporate organic matter like peat moss for moisture retention.
Temperature Stress Management
Signs of Temperature Issues
Curling leaves, brown leaf tips, or drooping foliage; may drop leaves in extreme conditions.
Cold Stress
Slows growth, causes leaf discoloration, and increases susceptibility to pests.
Solution: Move to a warmer spot; use a space heater if necessary; avoid cold drafts.
Hot Stress
Leaves may wilt, curl, or develop brown edges; growth may stagnate.
Solution: Increase humidity with misting or a humidifier; provide shade during peak heat.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer; apply during growing season; avoid over-fertilization.
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
Toxicity Warning
Cats
Non-toxicCalathea undulata is not toxic to cats. There are no known adverse effects associated with ingestion of this plant by felines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Non-toxicCalathea undulata is not toxic to dogs. There are no known adverse effects associated with ingestion of this plant by canines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Non-toxicCalathea undulata is not known to have toxic effects on humans. It is generally considered safe for consumption, though it is not typically consumed as food.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Why are the leaves of my Calathea undulata curling?
A: Leaf curling is often due to low humidity or inconsistent watering. Increase humidity and ensure consistent moisture.
Q: How often should I water my Calathea undulata?
A: Water when the top inch of soil feels dry, typically once a week, but adjust based on environmental conditions.
Q: Can Calathea undulata tolerate direct sunlight?
A: No, it prefers indirect, dappled light. Direct sunlight can scorch the leaves.
Quick Reference
| Family: | Marantaceae |
| Care: | moderate |
| Light: | bright, indirect light |
| Water: | every 5–7 days, allowing soi |
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