How to collect Cornflower Seeds

Cornflower Did you know that you can collect seed from many popular garden plants? In fact it’s often better to collect your own seed. Then you can choose plants that you know and love. If you time it just right you’ll find green seeds for sowing now or dry seeds to store for sowing next year. It’s good to be able to see the parent plants and choose the best specimens to gather seed from.


Cornflowers are brilliant for your country garden… they are easy to grow and good for cutting. Bees, butterflies and other pollinating insects love them too. It’s time to collect the seed now. Choose a dry sunny day and collect the seed heads when they are ripe… they will be a pale straw like colour.
Cornflower seeds 01

Break open the capsule with your fingers and discard the casing and any damaged seeds. Cornflower seeds are firm and quite large and easy to handle with what look like little whiskers at one end.

Cornflower seeds 02

You will be left with small shiny bullet shaped seeds with bristles at one end.

Cornflower seeds 03

You can sow the seed now, in September or even in October if it’s mild. Alternatively  wait until next year then sow in February, March or April. Like many hardy annuals, autumn sown cornflowers usually make stronger, better plants and will start flowering earlier next year. You could do what I do and sow in autumn and spring. I think that’s called hedging your bets!

If you decide to keep some seed to sow later on just save it in paper envelopes in a cool dry place. If you would like to make your own seed packets then have a look at my post on Seed Collection and Storage. Some people say it’s best to keep seeds in a fridge but I find that a cool dry shed is fine. Seed often remains viable for several years.

If you’d rather buy fresh seeds then you’re in luck… I have some for sale in the SHOP here. If you’d like to take a look you’ll find them in the Hardy Annual Category. I love ‘Double Blue Cornflowers’, the pink mixture called ‘Classic Romantic’ and the darkly dramatic ‘Black Ball’ too.


Happy Gardening!     Love from Gillian

3 thoughts on “How to collect Cornflower Seeds

  1. Thanks for this. I removed my seed-heads today and wasn’t sure if they were ready. Thankfully they were, now to split the seeds up and get them ready for replanting next year. Beautiful photos.

    1. Thank you! You can sow Cornflower seeds in late August/September… they are very hardy annuals. You’ll have much bigger, better plants and earlier flowers next year.

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