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Growing supermarket basil successfully is totally possible once you understand what that little potted plant has been through.
Those lush, bushy basil plants you see at the grocery store are grown in dense, hydroponic-like conditions with perfect light and constant feeding.
When you bring one home, it’s usually root-bound, stressed, and desperately needs a little TLC to keep thriving.
In this post, we’ll break down exactly how to grow supermarket basil into a thriving plant, covering everything from repotting to harvesting.
Let’s dig in and give that basil a second life.
How to Grow Supermarket Basil by Repotting It Right
The very first step to grow supermarket basil successfully is to deal with the overcrowding.
Those supermarket pots contain dozens of individual seedlings crammed together, all competing for the same tiny amount of soil.
This is why they wilt so fast, even when you water them daily.
To grow supermarket basil into a big, bushy plant, you need to give those roots some room to breathe.
1. Separate the Seedlings Gently
Carefully remove the entire basil plant from its plastic pot.
You’ll notice the root ball is a thick, tangled mess of white roots.
Gently tease apart the soil and roots with your fingers to separate the individual basil seedlings.
You might break a few roots, but that’s okay, basil is surprisingly tough.
The goal is to create small clumps of 2-3 seedlings, or even single plants if you’re careful.
This is the key step if you want to grow supermarket basil into multiple healthy plants.
2. Choose the Right Pot and Soil
Once separated, plant each clump into a small pot or cell tray filled with fresh, well-draining potting mix.
Make sure each new pot has drainage holes at the bottom to prevent soggy roots.
Use a quality organic potting soil that’s fluffy and rich, not the dense peat they use in stores.
This fresh soil gives your basil the nutrients it desperately needs to recover.
When you grow supermarket basil this way, you’re essentially resetting its environment for success.
3. Water Thoroughly After Repotting
After repotting, give your newly planted basil a deep, thorough watering.
This settles the soil around the roots and helps reduce transplant shock.
Place the pots in a bright spot, but out of harsh, direct afternoon sun for the first couple of days.
This gives the stressed roots time to adjust to their new home.
Following these steps is the most reliable way to grow supermarket basil that actually lasts longer than a week.
Giving Your Basil the Light and Water It Craves
Now that your basil is repotted, the next step to grow supermarket basil successfully is mastering its basic care needs.
Basil is a sun worshipper, so this part is crucial.
1. Provide Bright, Direct Sunlight
Basil needs at least 6-8 hours of strong, direct sunlight every day.
A south-facing windowsill is ideal, but a spot under a grow light works wonders too.
If your basil starts looking leggy and pale, it’s begging for more light.
Remember, the goal is to grow supermarket basil that’s vibrant and full, not spindly.
2. Master the Art of Watering
Watering is where most people fail when they try to grow supermarket basil.
Keep the soil consistently moist, but never waterlogged.
Stick your finger about an inch into the soil; if it feels dry, it’s time to water.
Water from the bottom by placing pots in a tray of water, allowing the soil to soak it up.
This encourages deep root growth and prevents the dreaded fungal diseases that come from wet leaves.
3. Never Let It Sit in Water
While basil loves moisture, it absolutely hates wet feet.
Always empty any excess water that collects in the saucer underneath the pot.
Sitting in standing water will quickly lead to root rot, which is fatal.
If you get this right, growing supermarket basil becomes a simple and rewarding task.
Feeding and Pruning for Maximum Growth
To truly grow supermarket basil into a monster plant, you need to feed it and prune it like a pro.
These two habits are the secret to a continuous harvest.
1. Use a Balanced Liquid Fertilizer
Supermarket basil has been fed a constant diet of nutrients.
Once you repot it, that food source is gone, so you need to provide it.
Start feeding your basil with a diluted, balanced liquid fertilizer (like a 10-10-10) every two weeks.
This provides the essential nitrogen, phosphorus, and potassium it needs to push out lush new leaves.
Regular feeding is non-negotiable if you want to grow supermarket basil that’s big and flavorful.
2. Prune Like a Pro
This is the most important tip of all.
You can grow supermarket basil to new heights, but only if you stop picking leaves off the top.
Instead of pinching single leaves, you need to cut the entire stem.
Look for a spot where two small leaves are sprouting from the main stem, and cut just above them.
This forces the plant to grow two new stems from that point, making your basil bushier.
3. Pinch Off Any Flowers
As your basil matures, it will try to flower and set seed.
Once basil flowers, the leaves turn bitter and the plant slows down leaf production.
You must pinch off any flower buds you see immediately.
This tells the plant to keep producing leaves instead of going to seed.
If you follow this pruning method, you can grow supermarket basil for months on end.
Common Mistakes to Avoid When Growing Store-Bought Basil
Even with great care, there are a few frequent errors that will sabotage your efforts.
Avoid these to ensure you successfully grow supermarket basil every time.
1. Don’t Put it Outside Too Early
Basil is extremely frost-tender.
If you plan to move your plant outdoors, wait until nighttime temperatures are consistently above 50°F.
A sudden cold snap will kill your basil instantly.
Transitioning it gradually to outdoor conditions helps prevent shock.
2. Avoid Overcrowding at All Costs
We touched on this in repotting, but it deserves repeating.
If you leave all those seedlings crammed together, they’ll always be fighting for light and water.
This leads to weak, spindly growth and disease.
Separating them is the only way to grow supermarket basil that reaches its full potential.
3. Don’t Be Afraid to Harvest Often
Many people are scared to cut their basil, thinking they’ll kill it.
In reality, the opposite is true.
Frequent harvesting encourages the plant to become bushier and more productive.
As long as you’re cutting above a set of leaves, you’re actually helping the plant.
This fearless approach is the final secret to mastering how to grow supermarket basil.
So, How Do You Grow Supermarket Basil Successfully?
You can grow supermarket basil into a thriving, productive plant by giving it the right start.
Growing supermarket basil successfully requires repotting those crowded seedlings into fresh soil with good drainage.
You need to provide bright, direct sunlight, water consistently from the bottom, and feed it with a balanced fertilizer.
Regular pruning that focuses on cutting stems rather than picking leaves is the key to a bushy, continuous harvest.
Growing supermarket basil into a big plant isn’t hard, it just requires a little knowledge and a shift in how you care for it.
Hope this guide helps you turn that sad little store-bought herb into a lush, aromatic basil bush that keeps on giving.
Happy growing, and enjoy all that fresh pesto.