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Rex begonia

A bushy rhizomatous begonia prized for large marbled green-silver foliage, thriving in medium to bright indirect light on tabletops or windowsills.

Medium to Bright LightBeginner FriendlySmall ScaleTabletop PlantToxic to Pets
Ornamental, Environmental, Medicinalalso known as: Rex begonias, King Begonia
Assessment

Is This For Me?

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Light ExposureinfoIndoor light recommendation based on the plant's native habitat. "Bright indirect" means near a window but shielded from direct rays.

Medium To Bright Indirect — Needs strong ambient light. Avoid direct hot sun.

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Watering HabitinfoHow forgiving this plant is when you miss a watering or accidentally overwater. High tolerance means more room for error.

High — Water when soil surface is dry.

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Maintenance DifficultyinfoOverall ease of care rating. Beginner-friendly plants communicate their needs clearly through visible signs.

High — Great for beginners. Communicates needs clearly.

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Spatial RequirementinfoExpected mature size in a typical indoor environment. Actual size depends on light, pot size, and growing conditions.

Small — Fits a range of indoor spaces.

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Seasonal BehaviourinfoHow this plant's growth changes with the seasons. Use this to adjust your care routine throughout the year.

Year-Round Active — No seasonal rest. Same care routine works all year.

thermostat

Temperature NeedsinfoThis range represents the plant's survival tolerance. Optimal growing temperatures are typically 5-10°C higher than the minimum.

13°C – 27°C — Standard Indoor — Typical room temperature works well. No extra attention needed.

Appearance & Space

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Leaf Size

infoBetween 20 and 50 cm — bold statement leaves. Fiddle-leaf fig and bird of paradise fall here.

Large

texture

Leaf Surface

infoPolished, mirror-like shine. Light catches the surface clearly, creating vivid reflections.

Glossy

texture

Leaf Texture

infoA balanced, typical thickness. Flexible enough to bend, tough enough for everyday handling.

Medium

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Leaf Shape

infoA clear notch at the base gives a heart outline. Romantic and instantly recognisable.

Heart Shaped

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Leaf Type

infoOne continuous leaf blade, even if it has holes or shallow lobes (like Monstera).

Simple

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Visual Form

infoMultiple stems create a full, rounded mass of foliage. Dense from top to bottom.

Bushy

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Foliage Density

infoPacked full of leaves — can't see through at all. Lush, full, and privacy-friendly.

Dense

palette

Variegation

infoColours swirl together in soft, cloud-like patches with no hard edges between them.

Marbled

Size Gauge

Height

Small / Shelf (0.45m)

Spread

Compact (0.45m)

Display Position

Tabletop, Windowsill, Plant Stand

Perfect for

A variety of indoor spaces

Color Palette

Deep Green
Silver Gray

Core Care Logic

01

How Often to Water

Water when top inch of soil is dry

02

Finding the Right Light

Near an east or west window with a sheer curtain. Your hand should cast a soft but defined shadow.

03

Choosing the Right Soil

A bag of standard indoor potting mix is all you need. Just make sure the pot has a drainage hole.

04

Temperature & Humidity

Comfortable in normal room temperatures, 13–27°C. Nothing special needed. Average home humidity (40–60%) works well. No extra effort needed.

05

What to Expect

This is a steady, moderate grower — repot every couple of years and mostly takes care of itself. Just remove the occasional yellow leaf.

What Makes It Special

“

Parent species for over 500 cultivars in the Begonia Rex Cultorum Group of houseplants; all rex begonias include the wild species Begonia rex in their parentage.


auto_awesomeGrown primarily for extraordinarily vibrant and complex foliage rather than insignificant flowers, with leaves featuring dramatic color patterns including streaks, spirals, veins, and metallic sheen in colors spanning silver, pink, purple, green, burgundy, red, gray, and lavender.
auto_awesomeForms one of the most diverse foliage plant groups in cultivation, with hundreds of hybrids that hybridize freely to produce varied leaf patterns.

Botanical Archive

Begoniaceae · Begonia

Begonia rex Putz. ex K.Koch

Assam, East Himalaya, Myanmar

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Storage and Survival Organ

Rhizome

How this plant survives unfavorable seasons

Seasonal Growth Cycle

Year Round Stable

When to expect new growth and feed actively

Clonal Spread

Rhizomes

How this plant naturally expands in a pot

Root Sensitivity

Low

How carefully you should handle roots during repotting

Attachment Strategy

Terrestrial

How this plant anchors itself in its native environment

Root System

Rhizomatous

The structure and behavior of the root system

Light Ecology

Filtered Shade

The light environment this plant evolved to thrive in

Growth Habit

Herbaceous Dieback

How persistent and structural the plant tissue is

Quick Verdict

A bushy rhizomatous begonia prized for large marbled green-silver foliage, thriving in medium to bright indirect light on tabletops or windowsills.


Quick Facts

Lifecycle

Polycarpic Perennial

Foliage

Evergreen

Growth

Clumping

Habitat

Subtropical Forest

Habit

Herbaceous Dieback

Pruning

Medium

Feeding

Quarterly

Watering

Moderate Dry Down Cycle

Light

Medium To Bright Indirect

Temp Range

13°C – 27°C

Function

Ornamental, Environmental, Medicinal, Culinary

Safety

warningToxic to pets