Gardening Guide – How to Grow Tomatillos

Days to germination: 4 to 8 days
Days to harvest: 90 to 100 days
Light requirements: Full sun
Water requirements: Water frequently
Soil: Well-drained soil
Container: Very suitable


The tomatillo is closely related to the more traditional garden tomato, but it is a different vegetable even though many people consider them to just be “green tomatoes”. One unique feature is that the growing fruits are surrounded by a leafy husk that dries and splits at maturity. The look like little paper lanterns while they are growing.

The husk gives the tomatillo some of its alternate names, such as the husk tomato or husk cherry. They are also sometimes called Mexican tomatoes because they are more popular in Mexican cuisine (particularly in salsas).

They can be eaten raw, but the flavor can be very tart. It’s more common to use them cooked. Most varieties are green when ripe, but you can find some that are red or purple.

Starting from Seed

Gardening Guide - How to Grow Tomatillos

Tomatillos like the heat and have a fairly long growing season, so it’s a good idea to start your seeds indoors if you can. Seeds should be planted about 8 weeks before you expect to have your last spring frost.

Since you’ll be growing your seedlings for basically 2 months, little seedling trays or cells will not be sufficient. Unless you want to transplant them while still indoors, it’s best to start your seeds in pots that are 3 to 4 inches across.

When you are planning out your tomatillos, you will need at least 2 plants in order to get any fruit. They are self-infertile and must have another plant closeby to pollinate. Three or four plants is better, but you definitely need at least 2.


You can put your seedlings out anytime after all threat of frost is gone, but it’s a good idea to “harden them off” first. Get them accustomed to the outdoor conditions by setting your plants outside during the day but bring them back inside at nights. Do this for 4 or 5 days before your plan on actually planting them.

Once they are ready to go in the ground, dig the soil well and add a fertilizer mix of your choice. Keep your seedlings 18 inches to two feet apart when you plant. Tomatillos will usually require some support, particularly once the fruit starts growing. Put your stakes, trellis or cages in place right when you plant your seedlings so you don’t harm your plants later on. You can always let the plants sprawl on the ground if you prefer, but having them up in the air keep them clean and less attractive to bugs.

Tomatillo flowers are great at attracting bees, so you may want to keep your plants away from outdoor areas where you spend your time but close to other plants that could use the pollination help.

Growing Instructions

Gardening Guide - How to Grow Tomatillos

Your plants will be killed by any frost, so if you are expecting a late frost after your seedlings have been planted, make sure to cover your plants. Newspapers, a large sheet, or individual containers turned upside-down will all work fine.

Like tomatoes, tomatillos can benefit from regular feedings with a high potassium and phosphorus fertilizer to help set their fruit. Keep your plants well watered, and a layer of mulch can help your soil stay moist between waterings.


Tomatillos grow very well in pots, usually around 5-gallons in size for each plant. The soil will dry out faster than your garden soil does, so pay close attention to your pots. Tomatillos don’t like dry soil and you may have to water them every other day or more often in dry weather.

Pests and Diseases

It’s the leaves of the tomatillo plant that are the most at risk from the insects in your garden. No one pest is particularly unique to the tomatillo, so just watch for the usual cucumber beetles, potato beetles and other leaf-loving bugs. Pick them off when you see them, and occasionally spray your plants with a pyrethrin-based natural insecticide to keep them away.

Aphids may also be a problem that can be harder to spot, but if you look closely around the stem and leaves, you can see clusters of them. A few won’t do any harm, though large populations of them will start to keep your plants from thriving. Insecticides work well, and they also wash off easily with a garden hose. Having a few more ladybugs in the garden is another good way to clear out the aphids. You can even buy packages of live ladybugs to release in the garden, if you are always struggling with aphids.

Harvest and Storage

Gardening Guide - How to Grow Tomatillos

Tomatillos are ready to be picked when their husks dry out completely and split away from the fruit inside. They don’t grow as large as regular tomatoes, are will usually mature when they are around the size of a golf ball. The husks are not part of the fruit and need to be removed before you use the tomatillos.

You can pick them when they are a bit smaller, but it’s a lot easier to tell when they are ready by waiting for the husk to dry out. If you want to pick them early, there will be a bit of trial and error to determine when they are actually edible.

These are usually very productive plants, and you can expect 10 or more pounds of fruit from each plant when the growing conditions are good.

But you should leave those husks on while the tomatillos are in storage. They’ll keep better. Store them in the fridge for up to a month without any special conditions. Either keep them loose on the shelf or in a paper bag. If you store them in plastic, moisture accumulation will cause them to rot faster.

You can also freeze them, for a longer storage time of six months. They will much softer when thawed, so plan to use frozen tomatillos for cooked uses rather than raw.

Gardening Guide - How to Grow Tomatillos



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