How to grow Garden Cosmos 'Snow puff'
Try to plant in a location that enjoys full sun and remember to water moderately. Keep in mind when planting that Snow puff is thought of as half hardy, so remember to protect this plant from frosts and low temperatures. Snow puff tends to grow best in a soil ph of between 6.6 and 7.8 meaning it does best in weakly acidic soil - weakly alkaline soil.
Growing Snow puff 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 Snow puff
Ensure that temperatures are mild and all chance of frost has passed before planting out, as Snow puff is a half hardy plant.
Harvesting Snow puff
The botanical epithet is from the Latin bipinnatus meaning “staunch” or “like two small wings”.
Footnotes