Description of Gratiola officinalis (Summer Snowflake)

Gratiola officinalis is hedge hyssop, a low perennial for wet ground and pond edges. It produces small pale flowers and suits natural-style bog planting.

Appearance

It forms low stems with narrow leaves and small white to pale pink tubular flowers in summer. Height is usually 20 to 40cm.

Care Guide

It prefers wet soil and open light.

• Sun: Full sun to light shade.
• Soil: Wet soil or shallow margins.
• Water: Keep consistently wet.
• Cut back: Trim after flowering if it looks untidy.
• Control: Can spread slowly, lift and thin if needed.

It works best in natural planting where its fine flowers can be seen up close.

Suitability for Bog Garden

This suits bog gardens as a front or mid-layer plant near the waterline. It mixes well with sedges and low grasses.

Use it where soil stays wet through summer.

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