How to grow Garden Cosmos 'Snowpuff'
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Snowpuff is thought of as half hardy, so remember to protect this plant from frosts and low temperatures. Snowpuff requires a soil ph of 6.6 - 7.8 meaning it does best in weakly acidic soil - weakly alkaline soil.
Growing Snowpuff from seed
Try to aim for a seed spacing of at least 0.98 inches (2.5 cm) and sow at a depth of around 0.25 inches (0.64 cm). Soil temperature should be kept higher than 20°C / 68°F to ensure good germination.
Transplanting Snowpuff
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Snowpuff is a half hardy plant.
Harvesting Snowpuff
The botanical epithet is from the Latin bipinnatus meaning “staunch” or “like two small wings”.
Footnotes