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Great rhubarb 'Valentine'
Rheum
×
hybridu
'Valentine'
Rheum × hybridum 'Valentine' is a plant boasting distinctive red stems and strong vitality. The following is information regarding this plant's growth characteristics, propagation methods, cultivation methods, garden uses, and major pests and diseases, as well as control methods. Growth Characteristics - Growth Habits: Rheum × hybridum 'Valentine' grows well even in cold climates and thrives even more in cool conditions. It possesses strong cold tolerance and grows actively mainly from spring to autumn. - Soil and Requirements: It prefers high-quality, well-drained soil. Neutral to slightly acidic soil is ideal, and it exhibits good growth in soil rich in organic matter. - Water Requirements: It has relatively high water requirements but dislikes excessive moisture. A consistent water supply is necessary in well-drained soil. Propagation Methods - Seed Propagation: Sow seeds directly in the spring or germinate them indoors and then transplant the seedlings. - Root Division: Root division can be performed in spring or autumn. Cut off the roots, ensuring that each piece contains at least one shoot. Cultivation Methods - Planting Time: Spring is the optimal time. While root division is possible in cold climates, spring or autumn is ideal. - Spacing: Plant with appropriate spacing to allow the plants to grow sufficiently. Generally, a spacing of at least 1 meter is required. - Fertilizer: Regularly apply organic fertilizer to promote growth. Uses in the Garden - Ornamental: The vibrant red stems make it a great focal point in gardens and flowerbeds. - Edible: The leaves and stems of rhubarb can be used in cooking, but the leaves themselves are toxic and should not be consumed. Important Pests and Control Methods - Powdery Mildew: This is the most common disease and can be controlled using fungicides. Cultivating in a location with good air circulation and plenty of sunlight is effective for prevention. - Snails and Crickets: Pests resembling snails can be physically removed or controlled using commercial pesticides. - Root Rot: Caused by drainage issues, this can be prevented by selecting appropriate soil and improving drainage. By referring to the information above when cultivating and caring for the Rhubarb 'Valentine', you will be able to enjoy a healthy and beautiful plant.
Plant Type
Plant Family
Knotweed family
Height
60~120cm
Spread
90~120cm
Colors
red, green
Bloom Period
May to August
Water Needs
commonly
Exposure
Sunny
Freezing Resistance
-10°C
Rhubarb 'Canada Red'
Rheum × hybridum 'Canada Red'
Rhubarb 'Crimson Red'
Rheum × hybridum 'Crimson Red'