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What is the Fastest Seed to Vegetable?

For gardeners looking for quick results, selecting fast-growing vegetables can be incredibly rewarding. Fast-growing vegetables not only provide quick harvests but also help in maintaining a steady supply of fresh produce. Here are some of the fastest seeds to vegetable harvest, making them perfect for both novice and experienced gardeners.


Time to Harvest: 20-30 days

Radishes are among the quickest vegetables to grow from seed. They can be harvested in as little as three weeks after planting. Radishes prefer cooler temperatures, making them ideal for early spring or autumn planting. They are also suitable for succession planting, allowing for multiple harvests throughout the growing season.

Growing Tips

Sow radish seeds directly into the soil, spacing them about an inch apart. They thrive in well-drained soil with plenty of sunlight. Ensure the soil remains moist to prevent the radishes from becoming woody.


Time to Harvest: 30-45 days

Lettuce is another fast-growing vegetable that can be ready to harvest within a month. Leaf varieties tend to grow faster than head types. Lettuce is versatile and can be grown in garden beds, containers, or even indoors with sufficient light.

Growing Tips

Sow lettuce seeds directly into the soil or start them indoors and transplant later. Lettuce prefers cooler weather, so it's best planted in early spring or late summer. Keep the soil consistently moist and provide partial shade in hotter climates to prevent bolting.


Time to Harvest: 30-40 days

Spinach is a nutrient-rich vegetable that grows rapidly. It can be harvested as baby spinach or allowed to mature for a few more weeks. Spinach is hardy and can tolerate cooler temperatures, making it suitable for early spring and autumn planting.

Growing Tips

Sow spinach seeds directly into the garden, spacing them about an inch apart. Spinach prefers well-drained soil and partial shade. Regular watering is essential to keep the leaves tender.


Time to Harvest: 30-60 days

Turnips grow quickly and can be harvested for both their greens and roots. Baby turnips can be harvested within a month, while full-sized turnips take a bit longer. Turnips are adaptable to various growing conditions and can be planted in both spring and autumn.

Growing Tips

Sow turnip seeds directly into the soil, spacing them a few inches apart. Turnips prefer full sun but can tolerate partial shade. Keep the soil evenly moist to promote even growth.


Time to Harvest: 7-21 days

Microgreens are one of the fastest-growing crops, typically ready to harvest in just one to three weeks. They are young vegetable greens that are harvested just after the first true leaves have developed. Microgreens are highly nutritious and can be grown year-round indoors.

Growing Tips

Sow microgreen seeds densely in shallow trays filled with a fine growing medium. Keep the medium moist and place the trays in a location with plenty of light. Harvest the microgreens by cutting them just above the soil line once they reach the desired size.

Table of Vegetable Seeds by Time to Harvest

Here is a comprehensive table categorizing vegetable seeds based on their time to harvest:

Time to Harvest Vegetables
Under 30 Days Radishes, Microgreens
30-40 Days Lettuce, Spinach
30-60 Days Turnips, Arugula, Bok Choy, Peas
60-90 Days Beets, Carrots, French Beans, Cucumbers, Zucchini
90-120 Days Broad Beans, Broccoli, Cauliflower, Chard, Courgette, Kale, Leek, Onions, Squash, Sweetcorn, Tomatoes
120+ Days Asparagus, Aubergine, Brussel Sprouts, Cabbage, Fennel, Garlic, Parsnip, Peppers, Potato, Pumpkin, Runner Beans, Swede

Detailed Information on Some Popular Vegetables


Time to Harvest: 60-90 days

  • Growing Tips: Sow beet seeds directly into the soil. Beets prefer well-drained soil and full sun. Thin seedlings to ensure proper spacing.


Time to Harvest: 60-90 days

  • Growing Tips: Carrots thrive in loose, sandy soil. Sow seeds directly and keep the soil moist until germination. Thin seedlings to avoid crowding.


Time to Harvest: 90-120 days

  • Growing Tips: Start seeds indoors and transplant after the last frost. Tomatoes need full sun and well-drained soil. Regular watering and support for growing plants are essential.

Broad Beans

Time to Harvest: 90-120 days

  • Growing Tips: Sow seeds directly into the soil in early spring. Broad beans prefer cool weather and well-drained soil. Support plants as they grow.


Time to Harvest: 120+ days

  • Growing Tips: Start seeds indoors and transplant after the last frost. Peppers need plenty of sunlight and consistent watering. Mulch to retain moisture and control weeds.