The Q&A Archives: Re-planting Harvested Nasturtium Seeds

Question: I read every one of the 152 questions on Nasturtiums, but I have a question that wasn't answered! I am an avid gardener but I'm on a budget, so I have been "harvesting" the mature seed pods on my beautiful Nasturtium plants. Can I use the seeds next spring, or if I put them into peat pots *now*, will they start to grow? Do they need to dry out or have a period of dark and/or cold dormancy to sprout again? Thank you!

Answer: First of all, you deserve a gold star for reading through all of the questions and answers on nasturtiums! I'm sorry you didn't find the answer you were looking for! Seeds of annual nasturtiums (Tropaeolum)can be started in peat pots, but the plants resent being transplanted so it's best to sow them directly outdoors where you want them to grow. They will sprout without a storage period or stratification treatment, but need darkness to germinate. Plant your seeds 1/4" deep in average garden soil and keep the seedbed moist until seedlings emerge. Gradually apply less and less water as the plants grow (they prefer soil on the dry side). Viable seeds will sprout in 7-12 days, and are generally sown outdoors 2-4 weeks before the last frost date. Good luck with your seeds!

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