Calathea (Peacock / Zebra / Rattlesnake Plant): Care Guide for Patterned Foliage

The Calathea

Calathea — often called Peacock, Zebra, or Rattlesnake Plant for its leaf markings — is grown exclusively for foliage. Leaves come in countless shapes/sizes with ornate, almost hand-painted patterns. They move slightly daily, responding to light/temperature/humidity.

Not grown for flowers (rare indoors) — except C. crocata (Flowering Calathea), recently popular for its large orange blooms above plain but shapely leaves. Costly but worth it for many. For foliage focus: C. makoyana, C. insignis/lancifolia, C. leopardina, C. zebrina.

Related to Maranta (Prayer Plant) — same family (Marantaceae), similar looks, identical care. Occasionally mislabeled as "Prayer Plant."

For Calathea to thrive: high humidity, warm temperatures, and lots of water.

Not beginner-friendly or low-maintenance. Not forgiving of prolonged neglect. Care details below.

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Calathea Care Instructions

Light

No direct sun — fades markings. No deep shade either. North-facing windowsill ideal; otherwise shield from direct rays.

Watering

Demands constant moisture — not wet, not sitting in water. Regular small amounts in growing season as surface dries. Accepts less in cool/dark winter.

Humidity

Critical. All need high humidity; failure here is a top kill cause. Small varieties suit bottle gardens. Misting helps but isn't long-term fix in arid homes. Serious growers: see our humidity guide.

Feeding

Half-strength houseplant fertilizer every 2 weeks in growing season. None in winter. Avoid leaf-shine with fertilizer.

Temperature

Warm to high with ventilation, no strong drafts. Minimum 15–21°C / 60–70°F. Never below 10°C / 50°F.

Repotting

If thriving: every 1–2 years in spring/summer into fresh soil. Propagation (division) at repotting changes the bushy look drastically.

Propagation

Easy by division. Split in half (or smaller for large plants), pot each section. Keep shady, warm, moist under plastic. Remove plastic when new growth appears.

Speed of Growth

Moderately fast.

Height / Spread

C. crocata: ~30 cm / 12 in. Others: up to 60 cm / 2 ft.

Flowers

Most don't flower indoors (conditions unsuitable). Exception: C. crocata — bought for its orange blooms. Reblooms with good care.

Anything Else?

Dusty leaves: damp cloth or tepid shower. No leaf-shine products.

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