{"id":8422,"date":"2026-09-02T00:04:21","date_gmt":"2026-09-02T07:04:21","guid":{"rendered":"https:\/\/wrwofficial.com\/index.php\/2026\/09\/02\/how-to-grow-herbs-in-a-greenhouse\/"},"modified":"2026-09-02T00:04:23","modified_gmt":"2026-09-02T07:04:23","slug":"how-to-grow-herbs-in-a-greenhouse","status":"publish","type":"post","link":"https:\/\/wrwofficial.com\/index.php\/2026\/09\/02\/how-to-grow-herbs-in-a-greenhouse\/","title":{"rendered":"How to Grow Herbs in a Greenhouse"},"content":{"rendered":"

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Herbs can make or break a dish. Sure, the dry ones can be used to flavor food, but there\u2019s no true substitute for the fresh taste of recently plucked leaves.<\/p>\n

Does that mean we have to resign ourselves to eggs with dried chives and cucumber basil salad sans the basil during the winter?<\/p>\n

Heck no! If you have a greenhouse, or you\u2019re thinking of constructing one, put it to work growing herbs year-round.<\/p>\n

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The hardest part of growing herbs in a greenhouse is building the structure<\/a><\/strong>.<\/p>\n

If you choose a pre-made one or you already have access to one, you\u2019re in for some pretty smooth sailing.<\/p>\n

There are just a few things to know, and to that end, here\u2019s what we\u2019ll cover coming up:<\/p>\n

Before we jump in, I want to clarify a few terms.<\/p>\n

When we say \u201cgreenhouse\u201d as it applies in this guide, we\u2019re talking about the traditional shed-like structure covered in clear glass or plastic \u2013 as well as high tunnels.<\/p>\n

The main difference is that high tunnels are tall enough to drive machinery into and they\u2019re more portable.<\/p>\n

High tunnels may provide slightly less protection than a true greenhouse. Otherwise, these are interchangeable for our purposes.<\/p>\n

Low tunnels, hoop houses<\/strong><\/a>, and frost cloth are different beasts altogether, and those aren\u2019t covered here.<\/p>\n

While you can use a greenhouse<\/strong><\/a> to grow herbs during the spring and summer, the tips here primarily focus on fall and winter growing, since that\u2019s when many of us need our greenhouses the most.<\/p>\n

Why Use a Greenhouse to Grow Herbs?<\/h2>\n

Greenhouses provide gardeners with better control over the growing environment.<\/p>\n

Where I live, the growing season depends entirely on how much rain we receive.<\/p>\n

One spring we might only have a few good weeks of growing even if temperatures are right for planting, while a different year might be ideal for planting starting in March with a good amount of light, consistent precipitation.<\/p>\n

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Gardeners in other areas struggle with semi-regular late freezes or super early snow.<\/p>\n

But if you\u2019re growing in a structure, you can shelter plants from unwelcome rain, unexpected freezes, or piles of snow.<\/p>\n

If you add grow lights<\/a><\/strong>, you can control the amount of exposure your plants receive. Shades can protect plants from the heat of late summer.<\/p>\n

A greenhouse can increase the ambient temperature compared to the conditions outside by 10\u00b0F or more.<\/p>\n

A double-layer tunnel or insulated, double-pane greenhouse can be up to 25\u00b0F warmer than the outdoors!<\/p>\n

And that\u2019s without adding additional heat, which not only allows you to extend the growing season significantly, but people who live in areas with cool summers can grow plants like peppers<\/a><\/strong> and tomatoes<\/a><\/strong>, which thrive in the heat.<\/p>\n

Most herbs will stay green all winter long if you keep them in a greenhouse and you can harvest them year-round.<\/p>\n

Think of digging into a salad that includes fresh fennel and parsley even in the deepest, darkest days of winter.<\/p>\n

Or newly-plucked sprigs of rosemary and big bay leaves to enjoy at your holiday feast.<\/p>\n

There are a few drawbacks that are worth balancing against the positives.<\/p>\n

For instance, many materials commonly used in greenhouses or high tunnels reduce the amount of UVB light that reaches plants and this can reduce the quantities of certain compounds in plants that we want more of, like those that act as antioxidants or that improve flavor.<\/p>\n

If you\u2019re just constructing your greenhouse, choose a UV-Open product, if possible.<\/p>\n

For instance, Be Cool Solutions IRAC MAX greenhouse film is made to prevent condensation while allowing UV rays to penetrate to the plants. Grab a 25-foot roll at Amazon<\/a><\/strong>.<\/p>\n

Greenhouses also tend to be humid and that can lead to some fungal issues.<\/p>\n

It\u2019s not the end of the world, just keep an eye out for any signs of disease like yellowing leaves and fungal spores on the stems or leaves of your herbs.<\/p>\n

Species That Work Best<\/h2>\n

Herbs are fantastic because so many of them are easy-going, adaptable plants that are happy in your house, in a garden, or in a greenhouse.<\/p>\n

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While just about any herb can do well in a greenhouse, some species do better than others.<\/p>\n

Ideal summer options include:<\/p>\n

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