Polygonatum odoratum 'Flore Pleno' (Solomon's Seal) — Perennial

Overview

Polygonatum odoratum 'Flore Pleno' is a perennial in the genus Polygonatum, part of the Q134172 family. It typically grows around 0.9 m tall. Polygonatum odoratum 'Flore Pleno' grows best in full shade, and tolerates most soils. Its UK hardiness is rated H7.

About

Polygonatum odoratum 'Flore Pleno' is a perennial in the genus Polygonatum valued for its fragrant spring flowers. It grows to about 0.9 m and performs best in full shade. Flowering occurs from April to June. It prefers sandy, loamy or clay soils that are moist but well-drained and is fully hardy (H7).

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About the genus

Polygonatum, also known as King Solomon's-seal, Solomon's seal, or sealwort, is a genus of flowering plants. In the APG III classification system, it is placed in the family Asparagaceae, subfamily Convallarioideae. It has also been classified in the former family Convallariaceae and, like many lilioid monocots, was formerly classified in the lily family, Liliaceae.

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In the garden

Polygonatum odoratum 'Flore Pleno' is a shade-loving perennial in the genus Polygonatum, grown for scented, pendulous blooms that appear in spring. It reaches about 0.9 m and carries its flowers where they are most noticeable in dimmer light. The plant is listed for USDA zones 4–8, and the UK H7 rating means it is fully hardy across the country. Position it in full shade where soils remain moist yet free-draining; acceptable soils include sandy, loamy and clay types provided they do not stay waterlogged. Keep the root-run consistently cool and damp rather than baking dry, and avoid heavy surface compaction over the crown. These conditions support steady growth through the growing season and reliable flowering in April to June. In a UK garden, it suits shaded borders, under deciduous trees and within woodland-style plantings where its scent can be appreciated at close range. Grouping several plants gives fragrance a stronger presence in deep shade and helps the display read as a spring feature. Expect the fragrant flowers to be the most obvious cue of its presence between April and June.

Growing conditions

Best soil and position for Polygonatum

Sunlight: Full shade
Soil type: Sandy, Loamy, Clay
Soil moisture: Well-drained, Moist but well-drained
UK hardiness: H7

Plant details

Polygonatum odoratum 'Flore Pleno' size, habit and characteristics

Plant type: Perennial
Height: 0.9 m
Fragrance: Fragrant

Frequently asked questions

Where is the best place to plant Polygonatum odoratum 'Flore Pleno'?

Polygonatum odoratum 'Flore Pleno' prefers full shade.

What soil does Polygonatum odoratum 'Flore Pleno' need?

Polygonatum odoratum 'Flore Pleno' is adaptable and grows happily in most soil types, including sandy, loamy and clay. Aim for soil that stays well-drained to moist but well-drained.

How big does Polygonatum odoratum 'Flore Pleno' grow?

Polygonatum odoratum 'Flore Pleno' reaches a height of 0.9 m.

Is Polygonatum odoratum 'Flore Pleno' hardy in the UK?

Polygonatum odoratum 'Flore Pleno' has an RHS hardiness rating of H7, meaning it is fully hardy throughout the UK, tolerating temperatures below -20°C.

More in the Polygonatum genus

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