Want to grow your own food fast? These 15 vegetables go from seed to harvest in 30 days or less — perfect for impatient gardeners, short seasons, and small spaces. With a packet of seeds and a few weeks of patience, you’ll be eating food you grew yourself.
The Root Crops: Radishes and Turnip Greens
Radishes (21-30 days) are the classic speed crop. Cherry Belle, French Breakfast, and Easter Egg varieties give you crisp, peppery roots in just three weeks. Sow seeds half an inch deep, thin to one inch apart, and keep the soil moist for tender roots.
Turnip Greens (28-30 days) let you harvest leafy greens while the roots develop. Tokyo Cross and Seven Top are reliable pickers. Greens are rich in vitamins A, C, and K — a nutrient powerhouse in under a month.
Cut-and-Come-Again Salad Greens
Loose-Leaf Lettuce (25-30 days) like Black Seeded Simpson and Red Sails give repeated harvests. Pick outer leaves at four to six inches and the center keeps producing for weeks.
Baby Spinach (20-25 days) and Arugula (21-28 days) are ready as soon as leaves are three inches long. Arugula tolerates partial shade and adds peppery flavor to any salad.
The 7-Day Miracle: Microgreens
Microgreens (7-14 days) are the fastest crop you can grow. Broccoli, radish, pea shoots, and sunflower greens pack up to 40 times the vitamins of mature plants. A shallow tray, a sunny windowsill, and a mister are all you need.
Garden Cress (14-20 days) is another indoor champion. Its spicy, tangy flavor makes sandwiches sing, and you can grow it year-round on a kitchen counter.
Asian Greens and Spicy Picks
Baby Bok Choy (21-30 days) gives you mild, sweet crunch in small containers. Tatsoi (21-25 days) is a creamy, cold-hardy Asian green that shines in stir-fries.
Mustard Greens (21-28 days) bring bold, spicy flavor and handle summer heat better than lettuce. Baby Kale (25-30 days) is gentler than full-size kale and perfect for salads and smoothies.
Herbs, Alliums, and Beans
Scallions (21-30 days) and Cilantro (21-28 days) are fast-finishing flavor boosters. Succession plant cilantro every two weeks — let some bolt for free coriander seeds.
Bush Beans (28-30 days) like Mascotte and Provider fix nitrogen in your soil as they grow, feeding next season’s crop. Watercress (14-21 days), one of the most nutrient-dense foods on earth, finishes any quick-growing list.
Pro Tips for Continuous Harvests
Succession plant every one to two weeks so something is always ready. Keep soil consistently moist — fast crops bolt or turn bitter in dry conditions. Harvest often; regular picking signals plants to keep producing leaves instead of flowering.
Combine two or three of these in the same bed: a row of radishes between lettuce, microgreens on a windowsill, scallions tucked along the edge. In 30 days you’ll have a daily salad from just a few square feet.
More garden guides: how to grow peppers, how to start a garden, and starting a raised bed garden.
Start Your Fast Garden Today
Pick three vegetables from this list, grab a seed packet, and sow this weekend. In a month you’ll be pulling your first radishes, snipping lettuce for salads, and clipping microgreens onto your eggs. No other gardening investment pays off this fast.