Cosmos 'Sea Shells Mixed' Seeds

Cosmos seashell seeds grow into a distinctive variety of cosmos with fluted, scalloped petals that resemble tiny seashells. They bloom in soft pink and white shades, adding texture and subtle movement to borders and containers. Botanically it is Cosmos bipinnatus 'seashells', and it also goes by Garden cosmos and Mexican aster. It is an annual, completing its whole life in one season, so sow again the following year.

Sow March to June under cover or in pots, or April to June direct outdoors. Seedlings usually appear in 7–14 days. Watering: moderate, allow soil to dry between watering.

Cosmos seashell plants typically reach about 90cm (around 3 feet) tall, making them ideal for borders and containers where a medium height is desired.

Yes, cosmos seashell stems hold well in a vase. Their unique scalloped petals add interesting texture and movement to bouquets, making them a charming choice for floral arrangements. Harvest: Pick flowers when fully open, summer to early autumn. Flowering runs June to October.

Yes — this is a straightforward packet to give, and what makes it work as a gift is mostly timing. Sowing runs March to June, so a packet given inside that window can go straight in, and one given outside it keeps perfectly well until the season comes round.

There are approximately 80 seeds in the packet. On effort it looks after itself, which matters if you are giving it to someone new to growing. It suits pots, beds and borders, so it works for a small space as well as a garden.