Chia seeds — how long do they keep?
4 years ago
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- 4 years ago
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Comments (3)They have found viable seeds that are hundreds of years old. The key is dark, dry and cool. A quick test. Wet a paper towel and ring it out so it is damp. Put 10 seeds on it, fold it in half, and put in in a ziplock baggie. Put the baggie on the counter and check it daily. I assume your "deep shade" mix is mostly fine and creeping fescue. If so, you should see some germination in a week or so. Let it go a few days after the first seed germinates. Could the number that germinated out of 10 and you will get an estimate of how viable the seed is....See MoreHow long will seeds keep?
Comments (2)Perhaps some answers may be found at Shelf-life of seeds...See MoreHow long will Whole seed potatoes/potato sets keep?
Comments (6)The UFL chart has the last date for central as Feburary and the southern as January. I would give it a shot if you are in the northern part of 10A, as long as you have spare room to experiment. I was shopping for potato seed last fall and found that the big outfits have no idea when we should plant. They all want to ship way to late and they are not too good at special order shipping. I found left over 2012 seed that was available for immediate shipment from Natural Gardening. They were clearing them, so those are all gone now. I kept them in the fridg until last week. I will plant next week if my foot heals up enough to dig. They are starting to sprout quite nicely. I think that you could hold the seed until you fall planting time, but your fridg is meant for short term food storage rather than long term seed holding. They may not make it to September. You might try an internet search for seed potato and look up some smaller organic outfits. You might get them to ship early, or hold back some seed for fall planting. I've had fantastic luck dealing with organic family farms. They have been genuinely interested in the oddball planting times we have this far South. Larry...See MoreHow long do seeds keep?
Comments (4)Bruce, It depends on the type of seed, but almost all seeds that have been dried down to 8% or less will break and not just bend if you bend one in half with your fingers. A seed with more moisture will bend or fold in half, but not break. A properly dried corn or bean seed, for example, will shatter when you set it down on a concrete garage floor or driveway and hit it with a hammer if it is dried down to the proper moisture level for freezer storage. The reason they have to be so dry before put into freezer storage is that seeds with a higher moisture level can be damaged in the freezer. At higher moisture levels, the excess moisture in the seed expands when frozen and that expansion causes cell membranes to rupture. And, some small seeds can and do dry down to very low moisture levels--as low as about 4-5% because of their lower mass. Even seeds that have been properly dried and properly stored in airtight containers in the freezer can sometimes suffer from damage as they are brought out of the freezer. It is best to take them out of the freezer and let them sit unopened either all day or all night before you open the container. If you open up the container before the seeds have naturally warmed up to room temperature, moisture can condense on the cold seeds and rehydrate them. Also, after removing the room-temperature seeds from the container, reseal it and put it back in the freezer. Finally, it is best to let the previously frozen seeds sit at room temperature in a cool, dry location for a few days before you plant them. That way, they are slowly absorbing small amounts of moisture from the air over time which is an easier adjustment that going from cold dry-storage in the freezer to moist soil in the ground (or in starter flats ) all in a day or less. Dawn...See More- 4 years agolast modified: 4 years ago
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