Noble Rhubarb (Rheum nobile)

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rhubarbs
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Soil pH Preferences
Slightly acid (6.1 – 6.5)
Sun Requirements
Full Sun to Partial Shade
Toxicity
Fruit is poisonous, Leaves are poisonous, Other: contains oxalic acid so must be cooked, Roots are poisonous
Uses
Culinary Herb, Medicinal Herb
Wildlife Attractant
Other Beneficial Insects: fungus gnats
Bloom Size
Under 1"
Flower Color
Yellow
Flower Time
Summer
Flowers
Inconspicuous
Life cycle
Perennial
Miscellaneous
Tolerates poor soil
Plant Habit
Herb/Forb
Plant Height
3 to 5 feet (1-1.5 m)
Plant Spread
18 to 24 inches (45-60 cm)
Propagation: Seeds
Days to germinate: Two out of five seeds sprouted in 9 days indoors at 20ºC or 70º F in moist vermiculite.
Detailed Information

Noble Rhubarb (Rheum nobile) is native to the **Eastern Himalayas**. Specifically, it’s found in:

* **Nepal**
* **Sikkim (India)**
* **Bhutan**
* **Tibetan Plateau (China)**

It thrives in high-altitude alpine meadows.