Saving Ideas, Tips & Guides

Seed saving is the art of collecting the seed from your crop and using it in subsequent seasons to grow new plants. Even if you save only small quantities of a few crops, understanding more about the life cycle, breeding tendencies, and botany of your crops will help you manage and care for them more effectively. 

This is a repository for all the information on this site about seed saving. If you want to start saving your own seeds, or you’ve picked up one of my seed packets from a seed swap and need instructions on how to grow the plants, then this is the place to look.

The Svalbard Global Seed Vault (also called the Doomsday vault) in Norway was officially opened in February 2008. During the 3 months prior to the grand opening, engineers pumped refrigerated air into the vault to bring its temperature down from a chilly -5°C to an arctic -18°C.

Today I have taken all of the ripe fruits off the achocha vines, in a prelude to removing them to the compost heap. I had a small trug full of fruits, to save seeds from. I also found a little friend among the vines:

Monty Don was recently explaining how to save tomato seeds on Gardeners’ World. I know this not because I watch it, but because his method (sticking seeds to paper towel) was roundly slated on Twitter. I’m fairly sure I tried that once, and that it worked just fine, but it was a long time ago and to be honest I just can’t remember.

When I bought my first house, way back in 2001, I was already an environmentalist. It started – as it so often does – with a childhood love of animals and a desire to save them. Back then it was all about dolphin-friendly tuna, the ozone layer, and and Food Miles. That first house came with a recycle bin, and to begin with we were one of the only households in the street to make use of it. We watched as recycling became more mainstream, and more people started putting their recycling out, and then as rubbish collections shrank and the hold-outs were forced to recycle.

With all that in mind, I made my annual frantic call with some urgent tomato questions to today’s guest, Craig LeHoullier in North Carolina, the NC Tomato Man as he’s known on social media, author of the classic book, “Epic Tomatoes” (affiliate link). Craig knows more about these cherished fruits than almost anyone I’ve ever met. He even shares that in live sessions each week on his Instagram account where you can ask your questions and get solid answers. I asked Craig how he’s doing and what we should all be doing to bolster a bountiful harvest and also about which fruits to save next year’s seed from anyhow and other tomato questions. Read along a

Did you know dahlias can be grown from seed? Many gardeners are only familiar with growing dahlias from tubers. Still, growing dahlias from seed is how new varieties are first created. Then they are sold commercially as tubers to produce true-to-type varieties for consumers. Home gardeners can do this too! This year in my flower garden, I grew several dahlia forms (different flower shapes or sizes). I grew varieties ranging from open-centered to pompon and anemone flowered blooms and relied on open pollination from the bees to do the breeding work for me. Once the blooms dry up, and the seed heads are mature, I will collect the seeds and wait until spring to plant them and see what new and exciting varieties come up.

First, of course, you want to make sure the crop you’re considering saving seed from is open-pollinated, not a hybrid. Hybrids won’t “come true” from saved seed one generation to the next.“Start with the super-easy things,” said Ken, “like anything with a perfect flower and a pod—beans, and peas, for instance.” Perfect flowers contain both male and female parts, or stamens and pistils, such as lettuce, tomatoes, brassicas, beans; in imperfect ones, such as on squash and cucumbers, there are separate male and female flowers.“Before you even transplant your first seedling, you can start thinking about seed saving,” Ken said, and also wrote in a new article on the Seed Library blog.For beginning seed-

So is Codonopsis (seen about to ascend a barberry in my front yard, below), or even some annuals of your choosing. Avoid heavy, woody vines like wisteria or trumpet vine, or those with so much foliage (like a large morning glory) that they’ll smother the underlying host plant.Simply plant the vine in the general proximity of said shrub, and give the vine an indication of what’s expected of it (a bit of bamboo heading in the right general direction…look closely and you’ll see it in the picture above).The clematis in the bottom photo had a cane to help it up into the gold

THANK YOU DEB PERELMAN OF SMITTEN KITCHEN, who cooks up a giant food blog from her tiny, 42-square-foot New York City kitchen. Just in time for peak pickling season, Deb unlocked the riddle that had been puzzling her (and me) for years: why recipes come out too salty sometimes and not others. Turns out that not all brands of Kosher salt (shown above, in my Grandma’s glass salt cellar) are created equal. The scoop from Deb (thank you, thank you).WANT TO USE LESS CHEMICALS in and around the home and garden? Who doesn’t? Beyond Pesticides dot org is an essential resource to help in the plight. Just look at this list of factsheets (each a PDF). I love the one on “Reading Your Lawn Weeds,” for instance, a tactic that will really help you think before dumping on some needless toxin; you can find it partway down this page of theirs, at the link

YES, IN THE BEST-CASE SCENARIO, preparing to save seeds starts with decisions about what variety to plant in the first place, and rouging out weak and then “off types” that don’t measure up, or conform to the desired traits of that particular tomato or squash or zinnia. Inferior or atypical? Out you go!It’s a process that is repeated throughout the life cycle. For instance, you might pull the lettuce seedlings that are slowest to germinate from your row or cellpack; later pull and eat any with off-type foliage, and perhaps even rogue a third time if some individuals prove more inclined toward disease than others. Only let the best and brightest go to seed and provide the genetics for next year.Want to guard against inadvertent cross-pollination? A chart in the OSA’s guide clarifies what crops are vulnerable (and what close cousins they can cross with—such as carrots with wild Queen Anne’s lace, or that many brassicas, such as Brussels sprouts and kale

This year, I’m late, late, late—and I’m conveniently blaming circumstances beyond my control. After frozen ground in April, no rain for three-plus weeks in May, and a June of incredible deluges, some of my best-laid plans aren’t looking so swell. Maybe you’re in the same situation. With all the upside-down spring weather that made headlines around the nation, I suspect it’s not just me who fell “behind.” There’s still time for a positive outcome.Ken (below, saving tomato seed), founder of Hudson Valley Seed Library catalog and an organic seed farmer, joined me on the public-radio show and podcast to talk about planting for late summer into late fall harvest (think: pea-shoot salad, a succulent fresh batch of basil and more), and about seed saving.Read along as you listen to the July 13, 201

AS I POTTED UP SOME PLANTS TODAY, I ran short on potting soil–and then I remembered: With big pots, in particular, there’s sometimes no need to fill the entire vessel, which is often deeper than the roots of seasonal plants would reach in their relatively short time in residence. So I reviewed my trick for making false bottoms (and saving on soil).

Yes, you could simply separate seeds from the pulp and skip the smelly-gooey-gross part of the process. But that part–the natural act of fermentation that’s happening in the jars in the photo below–helps break down germination-inhibiting compounds such as the gel sac around tomato seeds, and can also reduce some seed-specific diseases.let’s save some tomato seeds:Select a few of your best-looking mature fruits from each of your healthiest-looking plants. The variety must be

I WISH I COULD walk every visitor around personally at Garden Conservancy Open Days—and answer every question. But that’s impossible when hundreds of guests stream through for the self-guided walkabouts I’ve been hosting for 20 years (last one of 2017 is on August 19, top of page).Many visitors have asked me to take it to the next level. Now Andrew Brand of Broken Arrow Nursery—they always do plant sales at my big Open Days—and I are offering a sort of “Open Day-Plus” on September 16: smaller, ticketed, workshop-style events and sales lasting a half-day each, with lots of individual attention.Space is limited, at each of two sessions per day.Ticket includes $25 Broken Arrow shopping credit.The September program (from 9:30-noon, and repeated from 1:30-4 PM):Baked Treats & Beverages: Fuel up, get acquainted, and te

EVERY TIME I LOOK AT GAYLA TRAIL’s (a.k.a. You Grow Girl’s) latest book, “Easy Growing,” I want to infuse vinegars and oils and liqueurs with garden-fresh tastes, or hang herbs to dry and prep others to freeze for a wintry day when the garden can’t provide.  So I’ve invited the master of all such things—and an expert seed-saver, too, who even packs them in little handmade origami envelopes—to come visit in September and teach me her tricks for saving the harvest, and storing next year’s seed. Want to join us? Win a copy of her book if you can’t make it—or better yet, sign up for the September 8 daylong workshop with Gayla Trail here at my place. Space is very limited!

MAYBE YOU CAN feel it where you garden, too: a slight shift in the weather, which combined with shortening days, means summer is loosening its grip. It’s not fall yet. It’s not cleanup time, but what time is it in the garden right now? Ken Druse and I are each under way on projects that are just perfect for this moment, for the in-between time. From sowing biennials, to collecting seed of some annuals, to eradication of enthusiastic groundcovers and more that we are doing, and want to tell you about.

Travis Hall is supervisor of the Horticulture Division at Missouri Botanical Garden in St. Louis, where a project is under way to save Abies fraseri. He helped me understand what’s up with the decline of wild populations of this iconic holiday tree, and the Garden’s efforts to help save this species and others. (Fraser fir detail photo, above, by Harold Smith via Wikimedia Commons.)Read along as you listen to the December 27, 2021 edition of my public-radio show and podcast using the player below. You can subscribe to all future editions on Apple Podcasts (iTunes) or Spotify or Stitcher (and browse my archive of podcasts here).the threatened

You all know Ken, author of 20 garden books, old friend, and my cohost of the online Virtual Garden Club that resumes again mid-September. Twenty-ish years ago, he wrote a book called “Making More Plants” about all forms of propagation, including from seed. From tomatoes to Nicotiana, jack-in-the-pulpit and more, we highlighted a lot of seed to try your hand at saving.Read along as you listen to the Sept. 5, 2022 edition of my public-radio show and podcast using the player below. You can subscribe to all future editions on Apple Podcasts (iTunes) or Spotify or Stitcher (and browse my archive of podcasts here).saving seed, with ken druseMargaret Roach: How are you, Ken?Ken Drus

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