Thompson & Morgan Cosmos Cupcakes - Mixed Seeds

£2.69
In stock
SKU
6300002025

In stock

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  • Unique flower shape
  • Mixed colours
  • Looks great indoors and outdoors
  • Continuous flowering all season long
  • Half-hardy annual
  • Mix includes: "Cupcakes White", voted RHS garden visitors' favourite

What Are Thompson & Morgan Cosmos Cupcakes - Mixed Seeds?

Thompson & Morgan Cosmos Cupcakes. The Mixed Seeds are an alluring mixture of traditional cosmos with the fabulous Cosmos ‘Cupcakes’, which are a unique introduction from T&M’s own breeding programme, exhibiting fused, cup-shaped flowers. These sweet-coloured blooms put on a continuous display throughout the summer months and well into autumn. The plants put out tall, slender stems which sway in the breeze. With the gentle swaying and rippling of petals creating a gorgeous, soft, floaty effect.


Cosmos Cupcakes are perfect positioned in a sunny spot, in any mixed planting scheme. They look great in any garden and are beneficial to pollinators. They also make lovely cut flowers.


Where Do Thompson & Morgan Cosmos Cupcakes Like To Grow?

Cosmos Cupcakes are easy to grow in beds and borders. They suit the back of beds as they put out tall flowering stems.


Despite their delicate looks, these plants are pretty tough and will stay standing in rain or a drought.


The plants generally grow with a height of up to 1.2m (4’) and spread up to 40cm (16").


Garden tip: When growing Cosmos plants, water regularly until they are fully established. Regularly deadhead faded Cosmos flowers to encourage more blooms to be produced throughout the summer.

How Do I Sow Thompson & Morgan Cosmos Cupcakes Mixed Seeds?

Direct Sowing Cosmos Cupcakes Seeds

Garden tip:If you want to direct sow Cosmos Cupcakes seeds outdoors, do so from March to May.


  • Sow Cosmos seeds at a depth of 3mm (1/8") in a good quality seed compost, and cover the seeds with a very fine sprinkling of vermiculite.
  • Place the seed tray in a heated propagator at a temperature of 18-25C (64-77F).
  • Keep the soil damp but not wet and don't exclude light as this aids germination, which usually takes 7-15 days.

When Should I Transplant & Harden Off Thompson & Morgan Cosmos Cupcake Mixed Seedlings Grown Inside?

When seedlings are large enough to handle, transplant into 7cm (3") pots and grow them on in cooler conditions until large enough to plant outdoors. When Cosmos plants are well grown and all risk of frost has passed, acclimatise them to outdoor conditions over 7 to 10 days.


Transplant outdoors in full sun in any moist, well drained soil at a distance of 45cm (18") apart. Pinch out the growing tip of each stem when transplanting to encourage stems to branch and produce more Cosmos flowers.

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or

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