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25 Vegetables that resist drought and dry spells

Drought-resistant vegetables
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“Climate change”. Hard to have a day go by when this phrase isn’t heard in a conversation. And, like it or not, seasons are changing: frost dates are shifting, winters get milder, summer heat waves strike stronger, drought becomes a thing where it previously never was…

Even people stepping back from the “climate change frenzy” acknowledge that weather patterns aren’t constant everywhere.

Drought resistant vegetablesIf we feel inconvenienced by an unexpected bout of heat or dry air, it’s even more the case for plants, especially in summer. Water as a resource is getting rarer and constant water-saving regulations force us to adapt. That’s why we worked on a list of 25 vegetables that resist drought, so you don’t have to forgo your vegetable patch even as you comply with stringent water quotas.

Important note before we start: even though these veggies are drought-resistant, they still do need water (just less of it). A particularly hot, dry summer might still kill your crops if not watered at least a little.

Lastly, a key fact to know is that the soil type has a very big influence, too. For instance, a soil that has lots of organic matter, humus or manure will retain water much better than poor soil would.

Selection of vegetables that can cope with drought

Leaf vegetables

Typically, leaf vegetables always require the most water. However, a few species still do quite well during dry summers. Let’s list several out here:

  • artichoke
  • Brussel sprout with heads forming during a dry spellBrussels sprouts
  • New Zealand spinach is a great candidate to replace normal spinach (and another option is orache, too)
  • headed cabbage (though it does prefer cool soil if available)
  • Good King Henry goosefoot, which has leaves that can be eaten raw or cooked
  • sea kale, the taste of which is pretty close to that of cabbage
  • romaine lettuce, a long-leaved variety that is edible both raw and cooked

Root vegetables

Just a few decades ago, these provided the bulk of our diets. This plant category has many species that are great drought-proof vegetables. Of course, first among these is the potato, but there are more:

  • helianthis
  • oca
  • red beet (particularly the heirloom Egypt beetroot varieties)
  • root parsley, which does better than parsnip (parsnip is a bit more vulnerable to drought, and they taste similar, too)
  • vitelotte
  • mashua which has edible tubers (young leaves and stems are edible, too)
  • sunchoke, which has always been a great fall-back option whenever potato growing is problematic
  • skirret
  • peanut
  • sweet potato

Seed vegetables

These actually become more productive when drought looms. Even if the weather is very dry, it’s almost useless to water them. The more resilient among these are:

Edible bulbs

Not as numerous and somewhat superfluous in the kitchen, edible bulbs also cope well with drought. They don’t need any watering to grow properly, either. Short list, to name but a few:

Tips to follow to get drought tolerant vegetables

Favor heirloom varieties

Grown and selected in ages where irrigation, fertilizers, and pesticides weren’t mainstream, these vegetable patch varieties grew to resist all of nature’s woes on their own. This includes drought resistance and plant diseases as well. Over time, these traits were stored in their genetic material. Growing such vegetables is easier.

Keep your own seeds

To produce drought-resistant vegetable seeds, it’s possible to mark your own plants that resist lack of water best. Don’t harvest these entirely, let some fruits mature and recover their seeds. Year after year, the offspring of these plants will increasingly grow strong even without any watering at all.

Mulch as much as you can

Mulch is a key technique to help vegetables resist drought, here strawAs the saying goes, “a run of the hoe saves two of the pail”… Well, mulch does a great job, too, and it’ll save a lot of water.

Indeed, a layer of mulch that’s thick enough – at least 2 inches or 5 cm – considerably reduces evaporation and locks moisture into the soil.

You don’t need to water as much, and in some cases you won’t even need to water at all.


Images: Pixabay: Annette, ArtTower, Rita; Public Domain: U.S. Department of Agriculture

Written by Christophe Dutertre | With a formal degree in landscaping and an informal love of gardens, Christophe will introduce you to this passion we all share. Novelty, down-to-earth tips and environment-friendly techniques are marked on the map, so let's get going!
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