Growing Cucumbers In Illinois: Everything You Need To Know

You want to know whether it is possible to grow great cucumber plants in Illinois?

Of course, it is! However, you should still account for some specific things when it comes to growing cucumbers in this region.

For instance, we will talk about how to adapt your gardening project to specific climatic conditions in Illinois and also what pests and wild animals you may have to keep away from your plants.

Moreover, you will also find useful resources at the end of this article where you will get lots of information on growing cucumbers at home in general.

Without further ado, let’s jump right into the action!

Do cucumbers grow well in Illinois?

While Illinois may not be the greatest state for growing cucumbers since your plants would likely not get as much sunlight and heat as in many other states, you can still grow pretty decent cucumber plants in this region as long as you follow the tips and tricks in this article and are also willing to put some work into your gardening project.

How long does it take to grow cucumbers in Illinois?

It takes most people between 14 and 18 weeks to grow cucumbers from seed to harvest in the Illinois region.

However, this also greatly depends on the cucumber variety you want to grow and you should therefore not get disappointed in case it might take you a little bit longer.

How big do cucumber plants grow in Illinois?

Cucumber plants can get really bushy and you should therefore provide each plant with at least 14 square feet of space so your plants will not take away nutrients and sunlight from each other and can deliver decent yields at the end of the growing cycle.

Can you expect great yields when growing cucumbers in Illinois?

As long as you care well for your plants, you will likely be surprised in a positive manner by the yields you will be able to get at the end of the growing cycle and even beginners are often able to harvest really great cucumbers.

When to grow cucumbers in Illinois?

Most people in Illinois are able to start growing cucumbers outdoors between April and May.

However, this also greatly depends on your region and you should wait with sowing cucumber seeds outdoors until you no longer expect spring frost.

Can you grow cucumbers in Illinois in winter?

Growing cucumbers in winter in the Illinois region is not a great idea at all since it can get pretty cold during winter months and you would therefore have to use a heated greenhouse which would cost you lots of energy and money and may just not be worth it.

Can you grow cucumbers in Illinois multiple times per year?

Since growing season in Illinois is shorter than in other warmer states, it may not be a great idea to grow multiple batches of cucumbers at different times of the year.

Instead, you may be better off growing just one single batch of cucumbers during the main season and caring for it as best as possible.

What cucumber varieties grow best in Illinois?

When growing cucumbers in Illinois, you want to choose a variety that can deal with cool climatic conditions early in the year in a proper manner. I listed some of the most popular varieties for you below:

  • Impact Cucumbers
  • Masterpiece Cucumbers
  • Rocky Cucumbers
  • Eureka Cucumbers
  • Fountain Cucumbers
  • Picolino Cucumbers
  • Fanfare Cucumbers
  • Swing Cucumbers
  • Tyria Cucumbers
  • Vega Cucumbers

Is it better to grow cucumbers in Illinois from seeds or seedlings?

While it may make sense to grow cucumbers from seedlings if you want to see quick results, you may still be better off growing cucumbers from seeds if you want to experience the entire growing cycle and want to learn as much as possible about growing cucumbers at home.

Should you start growing cucumbers in Illinois indoors?

If you want to harvest your cucumber plants rather early in the year, you may also want to start growing cucumbers indoors around March and transplant your seedlings outdoors once you no longer expect frost in your region.

How to water cucumber plants in Illinois?

Since Illinois is usually a rather cool place early in the year, you may not have to water your plants much while they are still young.

However, once your cucumber plants get bigger and it gets warmer outside, your plants may need much more water and you may even have to water them daily during hot summer months.

Do you have to protect cucumbers against the sun in Illinois?

Since radiation and heat are rather limited in the early months of the year when your plants are still rather small and sensitive, you don’t have to actively protect your cucumbers from the sun and can just let them grow and once they get bigger and more resistant, they will be able to deal with hot weather during summer on their own anyway.

Will wild animals feed on cucumber plants in Illinois?

Mice, deer and raccoons are just some of the annoying friends you may have to deal with when growing cucumber plants in your Illinois garden and installing a fence around your plants may therefore make quite a lot of sense to keep away those animals as best as possible.

Cucumber pests & plant diseases in Illinois

You should also know that bugs, aphids and snails are also quite common when it comes to growing cucumbers in the Illinois region.

Fortunately, there are easy ways how to deter cucumber pests and plant diseases.

When to harvest cucumbers in Illinois?

If you start sowing cucumber seeds outdoors around May, you will usually be able to harvest your plants between August and September, depending on the cucumber variety you want to grow and several other factors.

Additional Information for Growing Cucumbers at Home

As you can see, growing cucumbers in Illinois is fairly simple if you follow some basic tips and tricks.

However, if you want to take the next step and want to learn even more about growing cucumbers at home step-by-step, you should also have a look at my cucumber grower’s guide.

If you still have specific questions, you may also want to check out my growing cucumber FAQ section where you can find answers to many questions you might still have when it comes to growing cucumbers at home in the best possible manner.


Own research.

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.

Pin It on Pinterest