All cosmos cupcakes bloom differently, a small percent of the plants may come through white cosmos cupcakes. The cupcakes are a mix of singles and semi doubles + some will be solid and some will be streaked.
If you are saving the seeds, as long as pollen is not shared between two varieties of the same species, the seeds should remain true to type year after year.Ĭosmos Cupcakef lowers in different shades of blush in colour, and make an absolutely stunning cut flower.Ī small percentage of flowers have lovely, tufted centres. They need to be 100% dry before storing, they can then be labelled and put in an airtight container, ready to be sown again next year!Ĭosmos seeds are o pen pollinated, this means they are a non-hybrid type of seed that can reproduce itself to have similar traits to the parent plant from one generation to the next.
They will be ready to harvest once the head has completely opened and brown and dry. When the petals are just opened, but not yet flattened.Ĭosmos is an annual flower but the seeds can be saved for next year by letting the flower die back and the petals will fall off - the seeds will then form. From seed to bloom takes around 8-12 weeks.Too much nitrogen in the soil can result in unhealthy plants and fewer stems.Deadheading your cosmos will keep a continuous supply of blooms to be enjoyed over Spring and Summer.Once the plants are established, they do not need a lot of water.
COSMOS SEEDLINGS LEGGY FULL
Cosmos like full sun and well draining soil.Taller varieties such as the sensation may need netting for support, to avoid being damaged in wind.This will encourage a bushier foliage, and more flowers! If you do not pinch the seedlings it may result in excessively tall plants with less flowers. Pinching out means taking the top 10cm off your seedling. Pinch out your cosmos seedlings when they are 30cm tall (3 true sets of leaves).Start by letting them spend 1 hour a day, working up to 5 hours over a week.
After six weeks of growth, the seedlings are ready to begin to venture into the outside world.Alternatively cosmos can be sown direct after frost have passed and then thinned out to 20-30cm apart.The seeds will germinate at around 7-10 days.Sow the seeds in punnets, just cover the seeds with soil, it doesn't matter which way the seed is up - as long as it is vertical.Once frosts have passed, start seeds in a greenhouse like environment for the first 6 weeks.Here's some simple tips to grow your best cosmos from seed!Ĭosmos are a super easy flower to grow and will bloom 12 weeks after you sow! Best sown from Spring to Summer. Flower farms and backyard cut flower gardens are going crazy for cosmos, it would have to be our most popular flower variety to grow.
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