Rhubarb - Rheum rhabarbarum (Care, Characteristics, Flower, Images, Edible)

Rhubarb

Also known as: Garden rhubarb

Rhubarb (Rheum rhabarbarum) is a hardy perennial that will grow from 61 to 122 cm tall. Heart-shape leaves with thick, succulent red or green leafstalks grow up to 46 cm long. Foliage dies back each winter. Flower stalks with hundreds of small white flowers bloom in summer and are yellow or pinkish green. Fruits with seeds ripen in fall.

Scientific classification

Species

Rhubarb (Rheum rhabarbarum)

Pinks, cacti, and allies

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Toxic to Pets

Toxicity

Late spring

Harvest Time

1 m

Plant Height

2 m

Spread

Green, Red

Leaf Color

Red, Brown, Burgundy

Fruit Color

White, Yellow, Green

Flower Color

Red

Stem Color

Deciduous

Leaf type

0 - 25 ℃

Ideal Temperature

Images of Rhubarb

Distribution of Rhubarb

Distribution Map

Rhubarb is naturally found in the temperate regions of Eastern Europe and East Asia. Its cultivation extends it to temperate zones worldwide, particularly in the Americas, Europe, and parts of Asia. Introduced to additional suitable climates, rhubarb thrives in areas that mimic its native conditions. While widespread, rhubarb's successful growth is often reliant on human propagation for productive cultivation.

Native

Cultivated

Invasive

Introduced

No species reported

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Habitat

Mountain slopes, sandy ground along field edges, steppes, woodland

Hemisphere Trend Curve

Northern

Sorthern

Flowering

Fruiting

Culture

Garden Use

The humongous leaves of rhubarb are interesting and ornamental, growing from spring through autumn. This plant is especially showy in the summer when its colorful flowers bloom. While it can be used as an accent or border plant in moist, sunny wildflower garden beds, it's often grown in vegetable gardens for its culinary value.

Symbolism

Protection, Fidelity

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Toxicity

Rhubarb possesses mild toxicity primarily through ingestion of its leaves, affecting both cats and dogs. Cats show physical discomfort, and dogs can exhibit gastrointestinal upset or distress. Immediate veterinary attention is crucial to manage symptoms and ensure pet safety.

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Quickly Identify Rhubarb

Large heart-shaped leaves with reddish petioles, reaching 2-3 feet (60-90 cm) in width and length.

Distinctive 3-winged, reddish-hued fruit for wind dispersal and seed protection.

Prominent leaf veins, especially central vein, with edible, thick reddish petioles.

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Care Guide for Rhubarb

Every week

Water

Full sun

Sunlight

0 - 25 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Rhubarb thrives in cool, mountainous regions, preferring consistent moisture but can briefly tolerate dryness. Regular weekly watering is essential, while outdoor growth benefits from natural rainfall during the active season. This herbaceous perennial grows more robustly in ideal conditions.

Fertilize: To enhance rhubarb's growth, apply high-nitrogen fertilizer (1/4 cup per plant) every 4-6 weeks in spring, ensuring even distribution. Cease in fall for dormancy. Over-fertilizing can harm stalk quality. Novice gardeners should start with less and adjust based on plant response.

Pruning: Rhubarb is a hardy perennial with large, edible stalks. Prune in early spring by removing dead or damaged stalks to enhance growth and air circulation. Trim flower stalks to boost leaf and stalk production. Use clean, sharp tools to avoid disease transmission.

Propagation: Rhubarb is propagated through division, ensuring genetic consistency. Use a sharp knife to divide the root ball into sections with at least one bud. Plant in well-drained, fertile soil and maintain moisture, ensuring the divisions are planted at the correct depth for healthy growth.

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Images of Rhubarb

Distribution of Rhubarb

Culture

Toxicity

Quickly Identify Rhubarb

Care Guide for Rhubarb

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