How To: Grow Mint From Seed

Growing Mint - Facts

Mint in a pot
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  • Plant
  • Harvest
  • Temperature to plant
  • Planting depth
  • Spacing
  • Sunlight
  • Direction
  • Drainage
  • pH level
  • Companion plants
  • Health benefits

March, April, May

Early July to late October

Can thrive on lower temperatures

A few inches

2 feet apart

Direct sunlight or slightly shady


Moist, but well-drained

6.0 – 7.0

Tomatoes, cabbages, peas, and eggplants

potassium, magnesium, calcium, phosphorus, vitamin C, iron and vitamin A.  Can relieve headaches, stress, and anxiety, Irritable Bowel Syndrome

Seven Steps to Growing Mint

Growing mint in pots, in the ground at home is easy, indoors and outdoors, just follow these steps.

Introduction to Mint

Mint is a very versatile plant that can be used for a variety of different reasons. You can use it as a spice on several different types of food, you can make tea or other drinks out of it, and it can be used as a remedy for headaches and stress.

Growing mint isn’t particularly hard either since it’s a very sturdy plant that can survive very well. However, it can be quite invasive as well. If you want to grow mint, you should do it in a way that lets you restrict its growth. 

In this article, we’ll be looking at the steps you need to follow in order to grow mint at home, for yourself.

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Soil type

soil type

The native habitat of mint plants is along stream banks. For this reason, it’s best to plant them in a moist, but well-drained site. If the drainage is right, any average soil will be good for growing the plant.

Companion Plants for Mint

Do keep in mind that mint likes to spread quite a lot, so you should choose a location where you can keep an eye out on its spreading. Tomatoes, cabbages, peas, and eggplants are all good companion plants for mint. The plant can tolerate slight shade, but you should choose a location where it will receive full sunlight.

Mint is resilient, but you should still try to give it the best possible conditions.

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While it’s usually much easier to grow mint from seedlings or small plants, you can – of course – start from seeds as well. If growing indoors, sow the seeds 8-10 weeks before the last frost, or in April/May.


Make sure to put the plants near windows, where they will get the most possible sunlight. They should be ¼” deep in moist soil. The seeds will typically start sprouting in 10-16 days, but bottom heat can speed the process up. If grown outdoors, be sure to space them out 2 feet apart from each other.




Planting should be done right after the last frost. The roots should be just below the soil. If using pots, be sure that they are at least 12 inches wide, but you should aim for one that is 16 inches wide.

It’s best if you don’t plant anything else in this pot other than the mint. Put it in an area where it will get lots of sunlight. If planting outside in the garden, search for a damp area with lots of sunlight.

Soil pH Level

The soil pH level should be between 6.0 and 7.0 for the best results. Placing some mulch around the roots and using a bit of fertilizer on the plant every few weeks will help it grow.

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Watering your mint is very important, especially in the first year. Be sure to water the plant frequently. The soil should be damp, but not soaked. Too much water will hurt the mint just as much as any other plant. If it’s in an area with lots of sunlight, water it more frequently.

Soil Check

Check the soil with your fingers and be sure that it’s not too wet. You should try to find a balance when watering the mint. The plant will grow best in evenly moist soil. If the mint is outside, be sure to not let it spread too far out.




Mint doesn’t need too much care compared to other plants. If you water it right, it should start growing pretty fast. Trim the top of the plant to make sure your harvest will be better, and to contain the plant’s height. After a while, you should see flower buds appearing.

Trimming the Flowers

Mint flowers bloom from June to September. You should cut the buds off before they get a chance to bloom. This ensures that the plant doesn’t grow out of control, and it will result in a better harvest as well.

Separate Mature Mint Plants

If you plan on growing mint for several years, and you’re using a pot, be sure to split the plant every 2 or 3 years, so the roots won’t get cramped.

Diseases to Watch

Lastly, be sure to look out for any pests and diseases that may affect your plant. Mint isn’t susceptible to many diseases, but you should keep an eye out for signs of Rust, verticillium wilt, and mint anthracnose. Some pests like spider mites and flea beetles can also cause trouble.




You can start harvesting your mint as soon as late spring. You should only harvest 1/3 of the leaves, not more. After that, the plant should be allowed to regrow its leaves for a while. If you’re growing your mint out in the garden, you should aim to harvest as much as you can before the winter. The roots will survive, and the plant will regrow next year.

Pinching Mint Stems

Harvesting the leaves should be done by pinching off the stems. In the case of larger harvests (right before winter), you can cut the plant above the first or second set of leaves. You will have larger harvests about three times each year.




Young leaves have better flavor than old ones, but you can – of course – store mint for long periods of time as well. You can freeze or air-dry them in bunches.


The leaves should be stored in an airtight container until you decide to use them. If you only want to store them for a few days, you can simply put them in a container full of water, like you would with flowers. Put a plastic bag around it, change the water every few days and store it in your fridge. You can also try wrapping them in a damp paper towel. Put it in a plastic bag and – just like the method above – store it in your fridge.


If you harvest a great yield, try freezing the mint leaves.  Use an ice cube tray, put a few leaves in one space and cover with water – allowing for months of use.

I hope this article helped you find out how to grow mint. It’s a relatively easy plant to take care of, and it has lots of uses that make it worthwhile. Just make sure that you don’t let it spread too much. Thank you for reading, and have fun growing your own mint at home!

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Mint in a pot
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