Taxonomy

Division:

Magnoliophyta | - Flowering plants

Family:

Polygonaceae

Genus:

Rheum

Species:

Rheum palmatum

USDA Symbol:

RHPA7

Growth Characteristics

Height:

200 cm

Light Requirements:

Full Sun

Drought Tolerance:

Low

Bloom Months:

may,jun,jul

Bloom Colors:

red, pink, white, cream

Garden & Ecology Notes

Wildlife Value:

bees, butterflies

Deer Resistant:

Yes

Soil Requirements

Soil Type:

rich, well-drained loamy soil

pH:

5.5 - 7.0 (slightly acidic to neutral)

Drainage:

excellent drainage required

Moisture:

consistently moist

Notes:

Thrives in nutrient-rich soils with good organic content

Propagation & Germination

Stratification:

Cold/moist stratification required — 30–60 days

Germination Time:

14–28 days

Notes:

Sow seeds on surface or lightly covered; light may aid germination. Fresh seed germinates best.

The above propagation data sourced from Claude AI