Growing Tomatoes In Colorado: Everything You Need To Know

You want to know whether you can grow tomatoes in Colorado in a great manner and also want to get some secret tips and tricks in this regard?

Great! This article is exactly for you since I will show you many things you should take into account when it comes to growing tomatoes in Colorado.

After all, you not only have to take into account the specific climatic conditions but also need to be aware of certain pests, plant diseases, hungry animals and much more that may try feeding on your tomato plants in this region.

After reading this article, you may be able to avoid many mistakes many other people out there make when growing tomatoes at home.

Without further ado, let’s get right into it!

Do tomatoes grow well in Colorado?

Since you can provide decent climatic conditions to your tomato plants in Colorado, they will usually also grow pretty well in this state as long as you water them in a decent manner and also provide other important things to your plants.

How long does it take to grow tomatoes in Colorado?

While experts may be able to grow tomatoes in Colorado a bit faster, it takes most people between 13 and 16 weeks to grow tomatoes from seed to harvest.

However, you could also grow tomatoes much faster by just growing them from seedlings instead of starting from seed.

How big do tomato plants grow in Colorado?

While the average tomato plant may get as high as 5 feet, you should still know that this greatly depends on the tomato variety you want to grow in Colorado and how well you care for your plants.

You should definitely give them enough space in the vertical so you don’t run into issues after a while due to height constraints of your plants.

Can you expect great yields when growing tomatoes in Colorado?

Thanks to pretty good climatic conditions in most parts of Colorado, you can also expect pretty decent yields at the end of the growing periods if you take good care of your plants and also provide them with enough fertilizer and everything they need to grow in the best possible manner in general.

When to grow tomatoes in Colorado?

While you could start pre-growing tomatoes indoors in February and transplant them outdoors later on, you could also directly start with growing tomatoes outdoors in April when you no longer expect winter frost anymore.

Can you grow tomatoes in Colorado in winter?

Since winters in Colorado are often pretty cold and lighting conditions are not perfect at all, it may not be the best idea to grow tomatoes in Colorado in winter unless you use a greenhouse with lots of artificial lighting which would often be pretty bad for our environment since it would consume lots of electricity.

Can you grow tomatoes in Colorado multiple times per year?

While it might be possible to grow tomatoes in California or other warmer states multiple times per year, this is not a great idea in Colorado since your plants may not be ready before winter frost arrives and you may therefore just lose the second batch of your harvest to the cold.

What tomato varieties grow best in Colorado?

When growing tomatoes in Colorado, it makes sense to choose varieties that are resistant to rather cold weather in spring. I listed the most popular tomato varieties to grow in Colorado for you below:

  • Beefmaster Tomatoes
  • Ace Tomatoes
  • Big Beef Tomatoes
  • Celebrity Tomatoes
  • Brandywine Tomatoes
  • Early Girl Tomatoes
  • Grape Tomatoes
  • Big Boy Tomatoes
  • Roma Tomatoes

Is it better to grow tomatoes in Colorado from seeds or seedlings?

If you are patient enough to grow tomatoes from seeds, it would be my favorite option since you would be able to experience the entire growing cycle. However, if you want to see results rather quickly, you may be better off growing tomatoes in Colorado from seedlings instead and both options are perfectly fine.

Should you start growing tomatoes in Colorado indoors?

If you want to start your growing season early in the year when there is still winter frost outdoors, you should start growing tomato seedlings indoors between February and March and transplant them outdoors later on between April and May when you no longer expect frost anymore.

How to water tomato plants in Colorado?

While tomato plants in Colorado don’t need lots of water during spring when it is still rather cold and rainy, water demand will increase substantially once your plants get bigger and it gets hotter outdoors so you may have to water your plants on a daily basis in summer.

Do you have to protect tomatoes against the sun in Colorado?

Since there are usually not as many hours of sun in Colorado as in many other states, you usually don’t have to protect your tomato plants from the sun since they will be perfectly fine as long as you water them in a sufficient manner.

Will wild animals feed on tomatoes in Colorado?

If you are not careful and don’t protect your tomato plants properly, animals like rabbits, squirrels, voles and deer may feed on your tomato plants and may destroy at least part of your potential yield.

Pests & plant diseases on tomato plants in Colorado

You may also have to deal with pests like aphids, thrips or also many plant diseases when growing tomatoes in Colorado.

At least, there are many easy ways to get rid of tomato pests and plant diseases.

When to harvest tomatoes in Colorado?

Depending on when you start growing tomatoes, you could expect harvesting them between 3 and 4 months after sowing the seeds.

However, this also greatly depends on the overall conditions you provide to your plants and how much you care about your growing project in general since the more you care, the faster you will usually be able to see great results.

Additional Information for Growing Tomatoes at Home

I hope this article has been helpful to you and you will know much better what you should take into account when it comes to growing tomatoes in Colorado.

If you want to get even more information on growing tomatoes step-by-step, you should also have a look at my tomato grower’s guide.

Moreover, you may also want to check out my growing tomatoes FAQ section where you will get answers to all questions you might still have regarding growing tomatoes at home in general.


Own experience.

About the Author

My name is Andreas and I’m really passionate about our environment and also about growing plants. In fact, I have grown several different plants over many years. I love to see my own plants grow and also always try new things to improve my overall conditions at home.

In my blog posts, I want to share my experiences with you so that you can become successful in growing various different plants and improving your home as well, even though you might still be a beginner right now.

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