Common yarrow 'Sammetriese'

Try to plant in a location that enjoys full sun and remember to apply water fairly sparingly. Sammetriese is generally regarded as a hardy plant, so it can be safe to leave outdoors for the majority of winter (although if in doubt, using a row cover is often a good idea).

Aim to sow 0.25 inches (0.635 cm) deep and try to ensure a gap of at least 11.9 inches (30.5 cm). For optimal germination, soil temperature should be a minimum of 18°C / 64°F.

By our calculations, you should look at sowing Sammetriese about 49 days before your last frost date.

Sammetriese is hardy, so ensure you wait until all danger of frost has passed in your area before considering planting outside.