Garden Cosmos 'Sonata Carmine'

Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Sonata Carmine is thought of as half hardy, so remember to watch your frost dates and ensure you have this plant protected when the temperature dips. Sonata Carmine tends to grow best in a soil ph of between 6.0 and 8.5 meaning it does best in weakly acidic soil - weakly alkaline soil.

Ensure a distance of 5.85 inches (15.0 cm) between seeds when sowing - look to sow at a depth of approximately 0.0 inches (0.0 cm). Soil temperature should be kept higher than 20°C / 68°F to ensure good germination.

By our calculations, you should look at sowing Sonata Carmine about 28 days before your last frost date.

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Sonata Carmine is a half hardy plant.

The botanical epithet is from the Latin bipinnatus meaning “staunch” or “like two small wings”.¹

¹ Latin Dictionary