How to Grow Mint in Pots: A Complete Guide

Written by
Kiana Okafor
Reviewed by
Prof. Martin Thorne, Ph.D.Learn how to grow mint in pots using pots that have drainage holes.
Use a potting mix with perlite, peat moss, and compost to ensure proper drainage.
Water when the top inch of soil is dry, and provide at least 6 hours a day of sunlight.
Pinch stems weekly to control legginess and promote bushy growth.
Harvest leaves in the morning in order to get the most essential oil before they flower.
Do not overwater or fertilize to avoid root rot and bitter flavor.
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Knowing how to grow mint in pots addresses the primary issue with this herb, which can spread rapidly through underground runners. It takes over garden spots and inhibits the growth of other plants. Containers contain all of that chaos. You keep your garden safe and get to enjoy fresh mint.
Container mint grows beautifully right outside your kitchen! Consider grabbing a handful of leaves when cooking dinner. This is why urban gardeners use this space-saving option. Tiny balconies or window sills can become herb gardens, allowing you to enjoy fresh-tasting food that's always within arm's reach, every season.
This guide gives you an introduction to growing mint in a simple container. We discuss pot prep fundamentals first. Then, onto daily care, like watering and light, and finally harvesting, which keeps your mint thriving. You have steady mint growth - with very little work.
Choosing the Right Container
The type of container you choose will directly influence the overall health of the mint. Terracotta containers breathe very well, but dry out the soil quickly. Plastic will retain moisture for longer, but it may also cause root rot. Ceramic pots are the most beautiful and allow for evaporation of moisture at an intermediate rate. Each material needs to have drainage holes with no exceptions if you wish to prevent root rot.
Don't underestimate the size of the mint's pot. Choose a container that is at least a 12-inch diameter. Mint's roots extend horizontally and require adequate space to grow. Small pots limit root growth, causing stress to the plant. I have seen badly stunted plants recover immediately after being put in their proper pot size.
Elevating pots on feet or stands improves airflow under the containers, allowing water to drain freely after heavy rains. Standing water can promote fungal diseases. My balcony mint wasn't doing too well and thrived, until I elevated the pots off the surface. One small adjustment can eliminate many problems.
Align container depths with varieties of mint. Spearmint generally requires a deeper soil depth than peppermint. Ensure you check the heights of mature plant varieties before making any decisions. Choose wisely, as your growing system will likely last for a few years. Containers become the bases of healthy plants.
Ideal Potting Mix and Planting
A good mint starts with the right soil mix. A good blend is two parts peat moss to one part perlite for optimum drainage. I also added a bit of compost, just a handful, for added nutrients. This mixture allows for good drainage, eliminating wet and soggy soil, while still retaining moisture. Avoid heavy garden soil because roots will struggle to breathe.
Test the soil pH before planting mint. Hope for a pH range of 6.0 to 7.0, using simple test kits. Mint is slightly acid-tolerant but will not grow in alkaline conditions, so lime should be used if necessary. I test my soil every spring because the pH will change over time.
Start with nursery plants instead of seeds. Established plants will establish quickly and have greater survival rates. Seeds can take weeks to germinate, and do so inconsistently. When transplanting, very lightly break apart the root balls of the plants (optional). Lightly breaking apart the root balls will facilitate the roots growing into the new soil.
Add slow-release fertilizer at the time of planting. These granules will nourish plants gradually over several months. I prefer organic fertilizers, such as fish meal, and apply them according to the manufacturer's instructions. Use cautiously, as overapplication can burn the roots and alter the delicate flavor of mint.
Plant mint to the same height it was growing in nursery pots. After planting, water thoroughly to settle soil material. Leave containers in partial shade for two days to reduce transplant shock. After that, you may move plants to their permanent sunny location.
Soil Preparation
- Combine peat moss, perlite, and compost in wheelbarrow
- Test pH using kit; adjust to 6.0-7.0 with lime if needed
- Mix slow-release fertilizer granules evenly through soil
Container Filling
- Fill pot within 2 inches of rim to allow watering space
- Gently firm soil without compacting to maintain aeration
- Water mix lightly to settle before adding mint plant
Plant Installation
- Create hole matching nursery pot's root ball size
- Position mint at same depth as original container
- Backfill soil; water thoroughly until drainage appears
Initial Placement
- Place in partial shade for 2 days before full sun exposure
- Maintain consistent moisture during establishment phase
- Avoid fertilizing for first week after transplanting
Acclimation Period
- Monitor for wilting or yellowing leaves daily
- Gradually increase sun exposure over 5-7 days
- Begin light harvesting only after new growth appears
Watering and Sunlight Essentials
Water the plant when the top inch of soil is dry when you feel it with your hand. This will help prevent underwatering or root rot. For hot sunny spots, make daily checks, while shaded areas dry out more slowly. You should always deep water until water drains from the bottom.
Morning sunshine is the best for mint plants. Look for 6 hours of direct sun before noon. Afternoon shade can protect the leaves during the hottest parts of the day, especially when the temperature is extremely high. Additionally, my potted mint thrives with this arrangement. You can tell how much they increase their oil production by smelling it in the leaves you harvest.
Temperature has a big impact on watering frequency. Hot summer temperatures will evaporate moisture fairly quickly, requiring attention often. Cooler weather will allow the soil to remain moist for longer periods. Use seasonal changes to adjust your routine. I water more in the spring than in the high summer months.
Plants that receive shade indoors actually require less water than plants exposed to full sun. Ensure you inspect each type of plant in various ways. Container plants in full sun dry out quickly. Container pots in partial shade hold moisture significantly longer. Be aware of your plant's location and adjust its watering needs accordingly based on its specific environment.
Full Sun Conditions
- Requires minimum 6 hours direct sunlight daily
- Enhances essential oil production for stronger flavor
- South-facing locations provide optimal exposure
- Monitor for leaf scorching in temperatures above 90°F (32°C)
Partial Shade Adaptation
- Tolerates 3-4 hours sunlight with bright indirect light
- Morning sun with afternoon shade prevents stress
- Leaf color remains vibrant but growth slows moderately
- Ideal for hot climates or indoor east-facing windows
Morning Sun Priority
- Early sunlight (6-10 AM) maximizes photosynthesis efficiency
- Reduces water evaporation compared to afternoon exposure
- Prevents flavor compounds from breaking down in heat
- Position pots to capture eastern sunrise
Winter Light Adaptation
- Requires brightest available location during short days
- Supplement with reflective surfaces (white walls, mirrors)
- Rotate pots weekly for even light distribution
- Growth slows naturally; reduce watering frequency
Artificial Lighting
- Use full-spectrum LED grow lights if natural light <4 hours
- Position 12-18 inches above plants for 12-14 hours daily
- 40-watt minimum output mimics sunlight intensity
- Combine with timer for consistent daily cycles
Pruning and Maintenance
Regular pruning promotes compact and productive mint. Pinch the tips of the stems weekly just above the leaf nodes, to encourage bushy growth. For seasonal maintenance, prune back leggy plants in early spring to promote new growth of foliage. I use scissors to avoid crushing the stems. I like to do this to promote new, attractive, and flavorful foliage for the season ahead.
Refresh mint as needed by clipping stems to 1 inch above the soil. Do this when the plant becomes woody or has thinned out. New growth will emerge in 7-10 days when the weather is warm. After a haircut as severe as this, thoroughly rinse with water. Mint comes back better.
Consistently sanitize all tools between plants to prevent disease transmission. Use rubbing alcohol to wipe down the blades after every cut. I like to keep a small bottle near my gardening supplies. This will prevent fungi and bacteria from infecting the recently cut plant. Clean tools will save the rest of your herb collection.
After pruning, your plants will begin to show growth within days, provided the conditions are conducive. Mint typically responds the quickest when it is warm and sunny. As temperatures cool, growth will slow. During the winter months, it just takes more patience. Healthy plants always respond when given proper care.
Weekly Tip Pinching
- Pinch 1/4 inch above leaf nodes using thumb and forefinger
- Encourages bushy growth from lateral buds below pinch point
- Perform on all stems showing vertical elongation
- Best done in morning when plants are turgid
Leggy Growth Correction
- Cut stems back by 50% using sterilized shears
- Make angled cuts just above healthy leaf nodes
- Remove thin, weak stems completely at soil level
- Allows light penetration to lower plant sections
Flower Removal
- Clip flower buds immediately when visible
- Prevents energy diversion from leaf production
- Maintains essential oil concentration in foliage
- Use precision snips to avoid damaging nearby leaves
Rejuvenation Pruning
- Cut entire plant to 1 inch above soil surface
- Performed when plant becomes woody or sparse
- New growth emerges within 7-10 days in warm conditions
- Water thoroughly after severe pruning
Tool Sterilization
- Wipe blades with 70% isopropyl alcohol between plants
- Prevents transmission of fungal/bacterial diseases
- Sharpen tools monthly for clean cuts that heal quickly
- Store tools dry to prevent rust formation
Harvesting and Storing Mint
Harvest mint in the morning when essential oil content is highest. Low temperatures help to keep volatile flavor compounds. I typically gather leaves until before 10 AM to maximize flavor. Harvesting at this time yields tea and food with the most intense aroma. Mint oils will have a lower concentration after a storm, as they have been diluted by water.
To follow the one-third rule for practicing sustainable harvesting, you should harvest no more than ⅓ of the total foliage in one go. Leave plenty of leaves for photosynthesis and recovery time. I indicated sections harvested with plant tags. Rotate areas weekly to give time for regrowth. Beyond that, these plants can provide you with a bounty for years to come.
To store stems for fresh use, place them in water as you would cut flowers. Loosely cover stems with plastic and place in the refrigerator. If frozen, mint can hold its flavor for months. Chop leaves into an ice tray and fill with water. When frozen, these can be added directly to sauces or drinks.
Drying techniques will impact flavor retention in different ways. Air-drying can preserve approximately 70% of the oils in a dark environment. Low-temperature dehydrators maintain a little less, but they are faster. I nondiscriminately hang bundles of herbs upside down in my pantry. I also reserve crumbled leaves in jars for winter use.
Selective Stem Harvesting
- Cut 4-6 inch stems just above leaf nodes using sharp scissors
- Choose stems with mature leaves but avoid woody sections
- Morning harvest captures highest essential oil concentration
- Never remove more than one-third of plant at once
Top Leaf Picking
- Pluck individual leaves from upper plant sections
- Preserves plant structure while encouraging bushiness
- Ideal for small daily culinary needs like teas or garnishes
- Use thumb and forefinger to snap leaves cleanly
Mass Harvesting
- Cut entire plant back to 2-3 inches above soil before flowering
- Maximizes yield for large batches of mint preservation
- Perform only on established plants (3+ months old)
- Fertilize lightly after harvesting to stimulate regrowth
Flower Bud Harvesting
- Collect unopened flower buds for intense flavor concentration
- Use in specialty teas or infused vinegars
- Harvest when buds are plump but petals haven't unfurled
- Minimal impact on plant vigor compared to leaf harvest
Regrowth Stimulation
- Alternate harvesting between different plant quadrants weekly
- Allows recovery periods for continuous production
- Always leave 2-3 sets of leaves on harvested stems
- Increases overall annual yield by 40% compared to random picking
5 Common Myths
Mint does best in deep garden beds and has limited success in pots.
Mint, on the other hand, grows remarkably well in pots, as long as it is well-drained and has room for its aggressive roots. There is actually less chance of the mint invading a garden if grown in pots, and the soil can be managed better. A 12-inch wide pot with drainage holes should allow mint to grow vigorously, provided enough water and sunlight are given.
When you water mint plants too much, it is good because it will increase the growth rate and increase leaf production very well.
When you overwater your mint plants, the roots will rot and they may face fungal issues, which will slow down the mint's growth rate. The soil should remain moist but never too wet and allow the top inch of soil to dry out between waterings. The bottom of the plant should be properly drained. Roots do need oxygen; a lack of oxygen can deprive plant roots of nutrients and/or reduce leaf growth.
Every mint type is equally insistent and will eventually escape its container over time.
Growth vigor demonstrates significant differences among cultivars. Peppermint grows out quickly, although apple mint and pineapple mint grow out at a moderate pace. Even a particularly vigorous type can be contained using regular pruning and pots with root barriers. Repotting your mint each spring will prevent root binding and maintain healthy growth in the container.
Fertilizing mint regularly is important to enhance the flavor strength and amount of essential oil.
If you fertilize too frequently, excessive foliage growth can occur and lessen flavor compounds. Mint flavors best in slightly lean conditions, needing only a light fertilization every 4-6 weeks when actively growing. Excess nitrogen can dilute essential oils, causing the aroma and flavor to not be as potent.
Mint cannot be grown successfully indoors, as its light and humidity requirements are mismatched.
Indoor mint requires at least 6 hours of direct sunlight from a south-facing window (or equivalent grow lighting). Furthermore, a humidity tray and regular misting should help to maintain an adequate environment. Mint grown in containers adapts well to indoor conditions and should produce harvests throughout the year with the right attention.
Conclusion
Having mint positioned in pots provides a ready supply at your whim. It is an incredibly space-efficient herb for small balconies or windowsills. Care is basic, consisting of watering and occasional trimming. You can access the fragrant leaves at any time you need them for cooking.
Keep in mind three critical success factors to prosper. Have good drainage in your containers. Get a minimum of six hours of sunlight daily. Harvest moderately, applying the one-third rule. These three concepts can support sustainable growth year by year.
If you are a beginner, it's best to start with only one or two pots. I started with one peppermint plant. You can see that's how fast your confidence will grow. Before you know it, you are trying multiple varieties of mint - how fun this can be, and how good they will taste.
Embrace simple potted mint. Cut leaves for morning tea and use them for meals at night. Share cuttings with any gardening friends you may have. This easy herb gardening brings so much joy to daily living. Your mint experience starts with one small pot today!
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Frequently Asked Questions
Does mint grow well in containers?
Mint thrives exceptionally well in pots when properly cared for. Container cultivation prevents invasive spreading while allowing optimal soil control. Use containers with drainage holes at least 12 inches wide and ensure quality potting mix for vigorous growth.
What sunlight conditions does potted mint require?
Potted mint needs substantial sunlight daily to flourish. Optimal conditions include 6+ hours of direct sun, preferably morning exposure. In hot climates, provide afternoon shade to prevent leaf scorching while maintaining sufficient light intensity for essential oil development.
How should mint be pruned for continuous growth?
Pruning techniques for sustained mint production:
- Pinch stem tips weekly above leaf nodes
- Remove flower buds immediately upon appearance
- Cut back leggy stems by 50% using sterilized shears
- Perform rejuvenation pruning when plants become woody
What are critical factors for successful container mint cultivation?
Three essential elements determine mint success in pots:
- Well-draining soil mix (peat moss/perlite/compost blend)
- Consistent moisture without waterlogging
- Adequate root space in appropriately sized containers
- Regular harvesting to stimulate new growth
How long does mint typically last when grown in pots?
Container-grown mint plants remain productive for several years with proper care. They require annual repotting to prevent root binding and benefit from rejuvenation pruning every 1-2 years to maintain vigorous growth and flavor quality.
Why does container mint sometimes become leggy?
Leggy mint growth commonly results from insufficient sunlight or infrequent pruning. Prevent elongation by ensuring 6+ daily sunlight hours and pinching stem tips weekly. Rotate pots regularly for even light distribution to maintain compact, bushy plants.
What are signs of overwatered mint in containers?
Overwatering symptoms manifest through visible plant distress:
- Yellowing lower leaves progressing upward
- Wilting despite moist soil conditions
- Fungal growth on soil surface
- Root rot evidenced by black, mushy roots
Can mint be grown indoors year-round?
Mint adapts well to indoor cultivation with proper conditions. Provide south-facing window light or equivalent artificial lighting for 6+ hours daily. Maintain humidity through pebble trays and consistent watering when the top soil inch dries.
How should potted mint be prepared for winter?
Winter preparation involves specific seasonal adjustments:
- Move pots to protected areas before frost
- Reduce watering frequency significantly
- Prune back by two-thirds before dormancy
- Apply mulch around container bases for insulation
Why should mint be harvested in the morning?
Morning harvesting captures peak essential oil concentration in leaves. Cooler temperatures preserve volatile compounds responsible for flavor and aroma. This timing maximizes culinary quality while minimizing plant stress during warmer daytime temperatures.