20 Tips for Success in Germinating Seeds in Hot Weather


| 7/24/2018 10:17:00 AM


 

These fall carrots germinated well because we kept the soil surface damp until they germinated. Photo by Kathryn Simmons.

In an earlier post I wrote general themes for starting seeds in hot weather. Here are some specific tricks.

Seed Storage

Viability and vigor of seeds deteriorates when they are stored in warm places, especially if containers are not airtight, and the air is humid. If you have crops you grow in spring and again for the fall, store those seeds in a cool place over the summer.

Chilling lettuce seed can help germination in hot weather. We make a practice of putting our spinach seed in double ziplock bags and putting it in the freezer for two weeks before we attempt late summer sowings. This can trick the seed into germinating better.



Older lettuce seed suffers less from heat-induced dormancy. A few months of storage can make the difference, but you might consider buying seed of your favorite hot-weather varieties a year ahead.

CC
8/5/2018 12:25:35 PM

thanks for all this pertinent info - here in Albuquerque we want to sow carrots and beets now that it is waxing quarter moon - good time for root crops. have you ever heard of people freezing those seeds ahead - carrot and beet?


sandie
8/5/2018 12:47:11 AM

I love the sowing hard to germinate seeds in jelly idea. I am for sure going to try that method. Thank you for the tip.


sandie
8/5/2018 12:37:15 AM

I love the idea of using a jelly to sow hard to germinate seeds. I am for sure going to try this idea. Thanks for the tip.






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