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Begonia

Begonia rexAlso known as: Rex Begonia, King Begonia, Painted-Leaf Begonia
The Rex Begonia is a stunning foliage plant grown for its dramatic, asymmetrical leaves in swirling patterns of silver, pink, red, purple, and green. Native to northeastern India, it's often called the 'King of Begonias' for its spectacular leaf colors and textures. Grows 12-18 inches (30-45 cm) tall.
Moderate Care
Medium Light
Perennial

Quick Care Summary

Light
Medium Light
Temperature Range
60-75°F (16-24°C)
Ideal Temp
68°F (20°C)

Seasonal Care Schedule

Adjust your care routine based on the season for optimal plant health.

Watering Schedule

SeasonSchedule
SpringEvery 7-10 days, when top inch (2.5 cm) of soil is dry
SummerEvery 5-7 days, keep soil evenly moist
FallEvery 10-14 days
WinterEvery 14-21 days, reduce significantly

Misting Schedule

SeasonSchedule
SpringMist around plant, not on leaves
SummerUse humidifier or pebble tray
FallMaintain humidity without wetting leaves
WinterMaintain humidity - avoid leaf misting

Fertilizing Schedule

SeasonSchedule
SpringEvery 2 weeks with balanced liquid fertilizer
SummerEvery 2 weeks at half-strength
FallMonthly
WinterNo fertilizing - plant is semi-dormant

Pruning

Frequency: As needed to shape
Best Season: Spring
Remove leggy stems to encourage bushier growth. Remove any flowers to direct energy to foliage.

Repotting

Frequency: Every 1-2 years
Best Season: Spring
Use well-draining, peat-based mix. Shallow pots work well - shallow root system. Handle rhizomes gently.

Flowering

Season
May produce small flowers
Color
Pink or white, small
Grown for foliage - flowers are insignificant and often removed to promote leaf growth.

Propagation Methods

  • Leaf cuttings - cut veins and lay on moist soil
  • Stem cuttings
  • Division of rhizomes

Common Problems

  • Powdery mildew: Water on leaves or poor air circulation
  • Leggy growth: Insufficient light
  • Brown leaf edges: Low humidity or inconsistent watering
  • Leaf drop: Cold temperatures or overwatering

Pro Tips

  • Good air circulation prevents disease
  • Never mist directly on leaves
  • Pinch growing tips for bushier plants
  • May go semi-dormant in winter - reduce care

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Begonia Care Guide - Watering, Light & Tips | AssistPlant