Sander's Calathea
calathea sanderiana
Also known as: ["Sander's Prayer Plant","Zebra Plant"]
Overview
A tropical evergreen perennial with strikingly patterned foliage and a unique prayer-like leaf movement.
Benefits & Perks
["aesthetic foliage","shade tolerant","air purifying"]
Botanical Classification
| Phylum: | Magnoliophyta |
| Class: | Liliopsida |
| Order: | Zingiberales |
| Family: | Marantaceae |
| Genus: | Calathea |
| Botanical Name: | Calathea sanderiana |
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 levels
- Drainage: Fast-draining to prevent waterlogging.
- Soil Type: Well-draining, rich potting mix with peat moss, perlite, and a small amount of orchid bark.
Maintenance Level
- Maintenance Level: moderate
- Toughness Level: moderate
- Pruning Frequency: As needed, typically every few months or when dead leaves accumulate.
- Pruning Intensity: Light to moderate; remove only affected foliage unless significant overgrowth occurs.
Care Details
Ideal Sunlight Coverage:
Bright indirect light for 6–8 hours daily; avoid direct sun which can scorch leaves.
Sunlight Tolerance Tips:
Acclimate new plants to brighter light gradually; keep away from harsh afternoon sun; adjust placement seasonally to maintain consistent light levels.
Care Requirements
Care Difficulty
moderatemoderate
Sunlight
bright, indirect light
Rotate plant weekly for even growth; use sheer curtains to filter direct light; monitor for leaf burn signs.
Watering
every 5–7 days, allowing soil to dry slightly between waterings
Use distilled or rainwater to avoid mineral buildup; ensure soil is evenly moist but not waterlogged.
Soil
moist, well-draining, peat-based potting mix
pH: Acidic to slightly acidic, pH 5.5–6.5.
Ensure pots have drainage holes; avoid heavy garden soil; maintain consistent moisture levels.
Temperature
Prefers 65–80°F (18–27°C); cooler temperatures at night are acceptable but avoid drops below 60°F (15°C).
Avoid placing near heating/cooling vents; maintain stable temperatures; monitor for stress signs.
Fertilizing
every 4–6 weeks during active growth (spring and summer) with a balanced liquid fertilizer diluted to half strength
Always water before fertilizing to prevent root burn; flush soil occasionally to prevent salt buildup.
Propagation
Methods
Division of rhizomes during repotting is the most reliable method.
Step-by-Step Propagation Guide
- Carefully remove plant from pot, separate rhizomes with sharp, clean tools, plant divisions in new pots with fresh soil, water lightly.
Best Time: Spring or early summer when the plant is actively growing.
Environment
Warm, humid environment with indirect light; maintain consistent moisture.
Medium
Standard potting mix with added perlite for drainage.
Hormone
Not necessary for rhizome division, but can be used for stem cuttings if attempted.
Timeline
Division should establish quickly within weeks; new growth may appear in 4–8 weeks.
Tools Needed
Clean knife or shears, new pots, potting mix, water
Quick Tips
Ensure each division has healthy roots and foliage; keep newly divided plants in a stable environment to reduce shock.
Pruning & Repotting
Pruning Guide
Method
Cut leaves at the base where they meet the rhizome; use clean, sharp tools to avoid damage.
Pruning Plan
Focus on removing damaged, yellowing, or dead leaves to maintain plant health and appearance.
Tools
Pruning shears, scissors, or a sharp knife
Checklist
Identify damaged leaves, use clean tools, cut at base, dispose of clippings, clean tools after use
Repotting Guide
Best Season
Spring, before the active growing season begins.
Pot Size
Choose a pot 1–2 inches larger in diameter than the current one.
Method
Remove plant gently, trim any dead roots, place in a slightly larger pot with fresh, well-draining soil, water lightly after repotting.
Suggestions
Repot every 1–2 years or when roots fill the pot; beneficial for growth and soil refreshment.
Checklist
Select appropriate pot, prepare fresh soil, handle roots carefully, water lightly, place in stable light
Advanced Care Tips
Watering Mastery
Watering Checklist
Check soil moisture, use appropriate water, water thoroughly, ensure drainage, avoid leaf wetting
How to Apply Water Properly
Water until it drains from the bottom holes, 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
Leaf curling, yellowing, or browning; reduced growth or bud drop in extreme conditions.
Cold Stress
Slows growth, causes leaf discoloration, and can lead to root rot if soil stays cold and wet.
Solution: Move plant away from drafty windows or AC vents; use a space heater to maintain warmth; ensure soil doesn't stay excessively wet.
Hot Stress
Leaves may wilt, curl, or develop brown edges; excessive transpiration can lead to dehydration.
Solution: Increase humidity with a pebble tray or mister; provide shade during peak heat; ensure adequate watering without overwatering.
Fertilizing Guide
Fertilizing Checklist
Use diluted fertilizer, fertilize during active growth, avoid winter feeding, flush soil periodically
Fertilizing Method
Use a balanced liquid fertilizer diluted to half strength every 4–6 weeks during spring and summer; cease fertilizing in fall and winter.
Common Problems & Solutions
Toxicity Warning
Cats
Non-toxicCalathea sanderiana is not toxic to cats. There are no known adverse effects from ingestion of this plant by felines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Dogs
Non-toxicCalathea sanderiana is not toxic to dogs. There are no known adverse effects from ingestion of this plant by canines.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Humans
Non-toxicCalathea sanderiana is not known to have toxic effects on humans. It is generally considered safe for consumption, though it is not typically used as a food source.
🌿 Toxic Parts:
⚡ Toxic If:
if eaten
Frequently Asked Questions
Q: Why are the leaves of my Calathea sanderiana turning yellow?
A: Yellow leaves are often caused by overwatering, underwatering, or low humidity. Ensure proper watering and maintain high humidity levels.
Q: Does Calathea sanderiana require direct sunlight?
A: No, it prefers indirect or filtered light. Direct sunlight can scorch its leaves.
Q: How often should I water Calathea sanderiana?
A: Water when the top inch of soil feels dry, typically once a week, but adjust based on environmental conditions.
Quick Reference
| Family: | Marantaceae |
| Care: | moderate |
| Light: | bright, indirect light |
| Water: | every 5–7 days, allowing soi |
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