How far apart should I plant Yellow Rattle?

Plant Yellow Rattle 15cm apart with 20cm between rows.

Is Yellow Rattle frost hardy?

Yellow Rattle is classified as Hardy.

Rhinanthus minor

Hardy Cool Season Single Harvest

Direct sow outdoors as soon as soil reaches 5°C — typically early to mid spring. Hardy enough to tolerate light frosts.

Sow seeds

Germination ~21d

Flowering ~150d

pages.grow.stages.POST_HARVEST ~195d

Sow seeds

Germination ~21d

Flowering ~150d

pages.grow.stages.POST_HARVEST ~195d

Approximate days from start

Care Essentials

No feeding required. Yellow rattle is semi-parasitic on grass roots and obtains nutrients from host plants.
Semi-parasitic annual essential for establishing wildflower meadows. Weakens vigorous grasses, allowing wildflowers to compete. Sow fresh seed in autumn directly onto scarified soil among existing grass.

Companion Planting

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Growing Conditions

Min. soil temperature: 5°C+

Get a personalized schedule for Yellow Rattle based on your exact frost dates

Feeding: No feeding required. Yellow rattle is semi-parasitic on grass roots and obtains nutrients from host plants.
Watch for: Poor germination if seed lacks cold stratification
Failure to establish without grass hosts nearby

Min. soil temperature	5°C
Base growth temperature	3°C

How far apart should I plant Yellow Rattle?: Plant Yellow Rattle 15cm apart with 20cm between rows.
Is Yellow Rattle frost hardy?: Yellow Rattle is classified as Hardy.

Plan Yellow Rattle in your garden — get personalized frost-date scheduling