11 Store-Bought Vegetables & Herbs You Can Regrow: The Ultimate Seasonal Guide

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Hello, garden enthusiasts and eco-conscious foodies! Get ready for the extended edition of our guide on how to give your vegetables and herbs a second life.

Spring Onions


Regrowth Time: 7-14 Days
Difficulty: Easier than explaining what NFTs are to your grandma.
Seasonality: Year-round

How to Pick in Store

Look for bulbs with fresh, white roots attached. The greener the tops, the better.

Steps

  1. Cut: Leave about 2 inches from the root end.
  2. Submerge: Place it in a glass with enough water to cover the roots.
  3. Sunny Spot: Place the glass near a sunny window.

Pro Tips

  • Change the water every other day.
  • When you transplant them into soil, they’ll be more robust. Plant them 1 inch deep and 2 inches apart.

Basil


Regrowth Time: 14-21 Days
Difficulty: Beginner level for garden ninjas.
Seasonality: Late spring to early fall

How to Pick in Store

Look for healthy, vibrant leaves. Avoid any signs of wilting or brown spots.

Steps

  1. Snip: Choose a stem that is about 4-5 inches long with several leaves.
  2. Prune: Remove leaves from the bottom 2 inches.
  3. Water Haven: Place the stem in a glass of water.
  4. Soil Time: Once roots reach about 2 inches, transplant it into soil.

Pro Tips

  • A pinch of sugar in the water can stimulate root growth.
  • Keep it in indirect sunlight while in water to avoid algae formation.

Lettuce


Regrowth Time: 10-12 Days
Difficulty: Like making a TikTok video, only more rewarding.
Seasonality: Spring and fall

How to Pick in Store

Go for lettuce with healthy, green leaves. The root base should be clean and not too brown.

Steps

  1. Preserve: Save about 2 inches from the base of the lettuce.
  2. Bowl: Place it in a bowl with a small amount of water.
  3. Sunlight: Put the bowl in a sunny window.

Pro Tips

  • Change the water every two days.
  • When leaves sprout to 4-5 inches, transplant them into soil for more growth.

Celery


Regrowth Time: 7-14 Days for sprouting; matures in 3-4 months
Difficulty: As complicated as deciding on a Netflix show.
Seasonality: Fall and spring

How to Pick in Store

Opt for celery with fresh-looking stalks and vibrant green leaves.

Steps

  1. Slice: Cut off about 2 inches from the base.
  2. Shallow Bath: Place it in a shallow bowl with water.
  3. Sun-Bathe: Put the bowl in a sunny window.

Pro Tips

  • Replace the water every two days.
  • Once you see leaves, plant it in soil about 1 inch deep.

Carrots


Regrowth Time: Greens sprout in 7-14 days; full maturity in 2-3 months
Difficulty: So simple, a rabbit could probably do it.
Seasonality: Early spring to late fall

How to Pick in Store

Go for carrots that have fresh, vibrant greens still attached.

Steps

  1. Top Off: Use the top part of your carrot with leaves still on it.
  2. Pierce: Insert toothpicks around the sides.
  3. Suspend: Place it over a glass filled with water.

Pro Tips

  • You’re growing carrot greens, not another carrot. These greens can be used in salads or as garnish.
  • Opt for a sunny window for better results.

Garlic


Regrowth Time: Sprouts in 7-10 days; matures in 8-9 months
Difficulty: Less scary than a vampire romance novel.
Seasonality: Fall

How to Pick in Store

Select a garlic bulb that is plump and has unbroken skin.

Steps

  1. Pick: Use a healthy garlic clove.
  2. Plant: Stick it root-end down in a pot of soil.
  3. Care: Place it in a sunny area and water moderately.

Pro Tips

  • Fertilize with nitrogen for best results.
  • Separate the garlic bulbs and replant them once the leaves have browned.

Romaine Lettuce


Regrowth Time: 10-12 Days
Difficulty: Easy peasy lettuce squeezy.
Seasonality: Spring and fall

How to Pick in Store

Select heads of romaine that are tightly packed with crisp, dark-green leaves.

Steps

  1. Chop: Save the last 2 inches from the base.
  2. Bowl + Water: Place it in a bowl with a small amount of water.
  3. Sunshine: Move the bowl to a sunny window.

Pro Tips

  • Change water every 2 days.
  • Transplant to soil once it’s tall enough, just like regular lettuce.

Ginger


Regrowth Time: Sprouts in 2-3 weeks; matures in 8-10 months
Difficulty: Challenging, but gingerly so.
Seasonality: Late winter to early spring

How to Pick in Store

Look for ginger roots with multiple eye buds protruding (the little points you see on the surface).

Steps

  1. Pick: Choose a piece of ginger with visible eyes (little nodules).
  2. Plant: Place it in a pot with the eyes facing up and cover lightly with soil.
  3. Wait: Keep it in indirect sunlight and keep the soil moist.

Pro Tips

  • Ginger loves humidity. Consider placing a saucer of water near the plant.
  • Use well-draining, nutrient-rich soil.

Potatoes


Regrowth Time: 60-110 Days
Difficulty: Mash-tastically easy.
Seasonality: Spring

How to Pick in Store

Choose organic potatoes if possible, as they are less likely to have sprout inhibitors.

Steps

  1. Slice: Cut a potato into halves or quarters, ensuring each piece has at least one “eye.”
  2. Dry: Allow them to dry for a day or two.
  3. Plant: Plant them about 3 inches deep in soil.

Pro Tips

  • Plant them in hills or rows for easier harvesting.
  • Be patient, as potatoes can take time to grow.

Fennel


Regrowth Time: 10-14 Days
Difficulty: Not as tough as its anise flavor.
Seasonality: Early spring and fall

How to Pick in Store

Look for fennel with bright green stalks and fresh fronds.

Steps

  1. Trim: Cut off the bottom inch from the fennel base.
  2. Water Bowl: Place it in a bowl with water.
  3. Sunlight: Put the bowl in a sunny spot.

Pro Tips

  • Like most plants on this list, fennel likes fresh water every 2 days.
  • You can transplant to soil for a more extensive root system.

Cilantro


Regrowth Time: 14-20 Days
Difficulty: So easy, even if you think cilantro tastes like soap.
Seasonality: Spring and fall

How to Pick in Store

Choose a bunch with fresh, green leaves and avoid any with yellow or wilted leaves.

Steps

  1. Trim: Cut off the bottom inch from the stems.
  2. Water Glass: Place them in a glass with water.
  3. Wait: Once roots appear, transplant them into a pot with soil.

Pro Tips

  • Keep the water level consistent.
  • Place the glass in a bright but indirectly lit area.

Conclusion

Regrowing vegetables and herbs from kitchen scraps isn’t just eco-friendly—it’s also incredibly satisfying. You’re giving new life to something that would otherwise go to waste. Happy regrowing!

Happy gardening!

Nick Wayne

Gardening and lawn care enthusiast

Nicolaslawn