Short on time but want fresh veggies fast? Whether you’re a beginner gardener, growing in containers, or just impatient for results, fast-growing vegetables are your best friend. These crops mature quickly — some in as little as 20 days — so you can enjoy homegrown produce sooner than you think.

Why Choose Fast-Growing Vegetables?

Fast-growing vegetables are ideal if you:

  • Have a short growing season
  • Want quick results in your garden
  • Grow in raised beds or containers
  • Are gardening with kids or teaching beginners
  • Want to maximize multiple harvests per season

Top 10 Fast-Growing Vegetables

1. Radishes (20–30 days)

Radishes are one of the fastest vegetables to grow. They’re ready in as little as 3 weeks from seed and perfect for spring or fall planting. Try varieties like Cherry Belle or French Breakfast for crisp, mild flavor.

2. Lettuce (30–40 days)

Loose-leaf lettuce varieties grow quickly and can be harvested in under 5 weeks. Baby greens can be picked even sooner. Grow in containers or window boxes and enjoy fresh salads all season long.

3. Spinach (30–40 days)

Spinach grows fast in cool weather and can be harvested as baby greens in about 3 weeks. Keep the soil moist and pick outer leaves regularly to promote continued growth.

4. Arugula (20–25 days)

Also called rocket, arugula is a spicy green that grows incredibly fast. Perfect for container gardening and salads. You can start harvesting baby leaves in just 20 days after planting.

5. Green Onions (21–30 days)

Green onions (scallions) grow quickly from seed or from kitchen scraps. You can harvest tender shoots in just a few weeks. They grow well in small pots and don’t require much space.

6. Bok Choy (30–45 days)

This Asian green is great for stir-fries and soups. Baby bok choy is ready in just 30 days. It grows well in partial shade and prefers cooler temperatures.

7. Kale (25–55 days)

Kale can be harvested young for tender baby greens or left to mature. Dwarf and baby kale varieties like Red Russian are ideal for fast-growing crops and are super nutrient-dense.

8. Turnips (30–50 days)

Turnips provide both edible greens and roots. Baby turnips are tender and harvestable in about 30 days. They grow best in cool temperatures and loose, well-drained soil.

9. Bush Beans (45–60 days)

While not the fastest, bush beans are among the quickest legumes. Choose compact varieties for containers. They grow well in warm weather and require minimal care once established.

10. Zucchini (45–55 days)

Zucchini grows rapidly once the plant is established. With warm soil and plenty of sun, you’ll start harvesting in under two months. Just one plant can yield several pounds of produce.

Tips for Faster Growth

  • Use quality seeds: Fresh seeds germinate faster
  • Provide full sun: At least 6 hours of direct sunlight
  • Keep soil moist: Consistent moisture helps seeds germinate quickly
  • Use rich, loose soil: Nutrient-rich compost boosts early growth
  • Harvest early and often: Pick young greens to encourage regrowth

FAQ: Fast-Growing Vegetables

What vegetables can I grow in 30 days?

Radishes, arugula, baby spinach, green onions, and leaf lettuce are all great options for 30-day harvests.

Can I grow fast vegetables indoors?

Yes! Many greens like lettuce, arugula, and spinach grow well under grow lights or in sunny windows. Use containers with good drainage and organic potting mix.

Final Thoughts

Fast-growing vegetables are perfect for impatient gardeners and small spaces. With just a little effort, you’ll be harvesting fresh produce in just a few weeks. Try mixing different crops to enjoy a variety of flavors and nutrients while keeping your garden active throughout the season.

Want more quick results? Check out our post on How to Start a Container Garden on Your Balcony to combine speed and space-saving!