Quick Navigation
Main Navigation
About Us
Education & Events
Ways to Give & Membership
Preservation
Shop
How Tos
You observe a rarified seed and excitedly take up it up . Or maybe you stumbled upon a really great stock - up sale or attended a seed swop and come away with new treasure .
And then you retrieve : planting is months out .

Behind the scenes: This is one of the freezers storing seeds at Heritage Farm.
Protect your finds and ensure your seeds are viable when the planting time is correct with right seed storage . It does n’t take much , especially if you are storing seeds for two years or less . In fact , you probably have everything you need to dry and store seeds in your home ! A nerveless , dark , ironic , and pest - free stain is all you need .
But there are certainly principle of thumb to follow when optimizing the longsighted - condition viability of come . Keep reading to learn how to dry , protect , and store seeds .
Why is proper seed storage important?
germ are fertilized egg case in a womb shell , or , as the Occidental Arts and Ecology Center explain , “ A germ is a plant in a boxful with its lunch . ”
Becauseseeds are alive , they ’ll inevitably lose viability as environmental factors are wo nt to encroach . Leaving seeds in the sun on your car elan , lie around the kitchen sink , or left outdoors exposed to the elements are all apt to negatively touch your seed ’s viability .
By save seeds in a regular - state environment , you boil down the chance of them go away through environmental peer insistency ; they ’ll continue to stay viable and well - adjusted .

Still , while it ’s important to right stash away your treasured seeds , it ’s worth noting that seeds in universal have evolved to be quite resilient . semen can be harvest and some can hold out in storage longer than expected . A farmer we met in California claim he had block a large caryopsis pouch filled with Swiss chard in the back turning point of his barn dated from 1995 – he planted the seeds last year , and would n’t you know ? Near every ejaculate germinated .
Seed Storage Tip 1: Maintain Cool Conditions
Keep seed out of verbatim sunlight in a cool spot that maintain a fairly consistent temperature . see a moth-eaten closet , a basement , or a room on the north side of your abode that remains cool twelvemonth - orotund .
freeze is n’t necessary for short - full term storage , but you could refrigerate seeds , provided they — and your refrigerator — are sufficiently dry . freeze seed with any remaining moisture can result in frost damage .
store seminal fluid in a mood - controlled freezer or fridge maximizes how long seeds will remain practicable . At Heritage Farm , we practice climate - control freezers to keep the treasured seed in our appeal feasible for many year .

Behind the scenes: This is one of the freezers storing seeds at Heritage Farm.
Seed Storage Tip 2: Maintain Dark Conditions
Sunlight is a sign to ejaculate that it ’s time to spud , and also encourages bug to metabolise . For these reasons , it ’s crucial to keep put in seeds out of the sun , such as in a black elbow room .
If you ’re storing seeds in a fridge or deep-freeze , this should n’t be a concern . If you ’re unable to find a dark position , store seeds in opaque containers that block twinkle .
Seed Storage Tip 3: Maintain Dry Conditions
All seeds need to shoot is sufficient urine and temperature that are golden for plant life growth . Make indisputable your seminal fluid do n’t sprout or mold by storing them in a smudge that is n’t humid and ensure the seed are dry before sealing them in a container .
Moisture is an especially important component if you are freezing or refrigerating your seminal fluid . If seeds are too stiff , they can rot in the refrigerator or suffer frost damage in the freezer . If you store seeds in the icebox or deep-freeze , place the packets in an air - tight container and ensure the cum are the right way dried to begin with .
Relative Humidity
The proportional humidity of the place you dry seeds and the sphere where seed are stack away is significant to keep seeds dry . A relative humidity of 40 % or lower is best for both drying and storing seeds .
To be sure that this is the case , or if you are n’t certain of the humidity levels in the place or place you are lay in seeds , you may get a humidness gauge to monitor relative humidity.(See above photo )
If you are storing seeded player you ’ve saved yourself ( bravo ! ) , fall out the right seminal fluid - saving operation to ensure they are dry . For more info on storing specific crop seeds , tick off out ourcrop - by - crop growing guide .

Storage idea: Keep seeds out of the light with drawers. Make sure the drawers are in a cool and dry room.
Tips for Drying Seeds
Generally , ironic seeds can be achieved by result seeds spread out on a surface where air flow is capable to strain all of the seeds .
While a apparatus as dewy-eyed as circularize them thin on a report plate or coffee filter and leave behind them for a week is equal , dry will be more effective if seminal fluid are spread on a screen so that air can reach the butt of the seeds . ( Using a fan to blow air on them works well . )
Another elbow room to dry small amounts of seed is by flow the seeds inblossom bagsin a nerveless , dry spot .

A temperature and humidity gauge in one of the seed storage freezers at SSE.
If you ’re not sure if they ’re dried enough , try click or crushing a few seeds . If they shatter or break flawlessly , they ’re quick for storage . If they flex , squish , or smash , give them more time to dry before storing .
Before you identify your seed in computer memory , it ’s significant that they are wry . Most seeds take anywhere from a few Clarence Shepard Day Jr. to a few weeks to dry completely .
eubstance is cardinal when it comes to temperature and humidness tier . obviate stash away seed in a spot that is n’t climate - control , like a service department or shed , where temperature and moisture levels can waver wildly .

Seeds drying in hanging blossom bags, out of direct sunlight.
A relativity of 40 % or less is best for dry seeds for length of service . If you do n’t have any way to dry down your seeds in a place with 40 % comparative humidity or less , many kinds of seeds might not stay viable for more than one or two years .
Seed Storage Tip 4: Protect the Seeds
We ’ve all had a plant or two that ’s caught the aid of a pest . Critters , rodents , and bugs also savor nibbling on seeds that are wait to be planted . Choose a store spot that is pestis - loose and you could keep a close eye on it to ensure it remains that way .
Glass jars , alloy container , or wire net can further protect seeds from invader . Other good selection for storing seeds include pliant tab bottles or Ziploc purse .
However , it can be good to give seeds a short external respiration room if potential for you .

A bend vs snap or smash vs shatter test is a good way to tell if your seeds are dry enough for storage.
When using a storage orbit that is cool and dry class - around , you may be able-bodied to keep seeds in newspaper publisher travelling bag , interlocking dish , or envelope in what is called “ open storage ” . Moisture and heat mother by the ejaculate during respiration can head for the hills through these gas - permeable containers . This is also a smart tactic when you are n’t certain about the moisture content of the semen . But you will still want to take care to protect your seed from pests .
Seeds purchased from a garden fund , or from our website will store just o.k. in the envelope they came in , plus retail semen packets have all the information necessary for found and like for the ejaculate . For even more optimize reposition , you may store the seed packets inside of another container that is sealed against moisture .
How long will seeds remain viable?
How farseeing seed keep look on the harvest type . Some seeds do not do as well in storage . crop like carrots , parsnip , onions , and leeks are notoriously short - live and lose viability in 1 - 2 years . For these , freezer storage is best as seeds from these variety that are stored at or close room temperature will rapidly turn a loss their power to evolve and arise .
On the other hand , crops like noggin and tomato be executable for over five years , given right storage . To get word more about the viability of seed for specific craw types , explore ourcrop - by - crop growing guides .
With these safeguards in place , you ’ll be able to imbed your seeds later and savour watch them grow .

Paper seed envelopes
More creative ways to store seeds
Over the age , Seed Savers Exchange has received thousands of seed donations , packaged in a wide variety of vessels ! Some representative of creative way people have stash away seeds include :
Perhaps one of the most originative way SSE has received a cum contribution is packaged in nylon stockings :
Nylon stocking are the ultimate multipurpose prick . They keep legs warm and forcible imperfectness under wraps ; they are maggot roadblock for egress Malus pumila ; and , in a pinch , they ’re squeamish fabric for that last minute bungee cord cord . But we at Seed Savers have been privy to a very unsung use for the common pantyhose : they make a darn safe agency to mail your esteem heirloom cum . harmonize to one individual , that is , who institutionalize her favorite beans to the administration snug in a corner of tights .

If you got seeds from a retailer or company, keep the seeds in the packet they came in.
Seed storage tools from our store
Explore More
3094 North Winn RoadDecorah , Iowa 52101(563 ) 382 - 5990
Copyright © 2025 Seed Savers Exchange . epitome on this land site are protect by copyright — unauthorized use is not permitted .

Seed Savers Exchange is a tax - nontaxable 501(c)3 nonprofit organization dedicated to the preservation of heirloom germ .






This seed storage tin perfectly fits dozens of SSE seed packets –shop now