Cosmos seeds are best sown directly into the garden after the last frost date and once the soil has warmed to at least 15 ...
Knowing when to plant cosmos seeds is important when growing these dazzling, daisy-like blooms. Being half-hardy, they can't handle cold temperatures, so you will need to wait until spring.
The cosmos garden at Kinryu Park in Saga City features approximately 330,000 of the flowers grown on 3 hectares of land. The pink and white flowers typically bloom in late October and are known as ...