How to Grow Arugula: Peppery Salad Greens in Weeks

GardenDraft Team · June 27, 2026 · 5 min read

Part of: Garden Planning Guides · How to Grow Vegetables — Crop Guides A–Z

Arugula is the fastest path from seed to salad. This peppery green goes from sowing to first harvest in as little as three to four weeks, asks for almost nothing, and packs a bold mustardy bite that turns a plain bowl of leaves into something worth eating. It's a cool-season crop with one quirk (it bolts fast in heat), and once you plan around that, arugula gives you fresh greens for most of the growing year.

Fast, cool, and direct-sown

Arugula is a cool-weather green that's at its best in spring and fall, growing quickly in mild temperatures. Direct-sow it about a quarter inch deep right where it'll grow, since it matures too fast to bother transplanting, in full sun to part shade. A little afternoon shade is actually helpful as the season warms, since it slows bolting. Seedlings are up in days and you're picking baby leaves within a few weeks, making arugula one of the most satisfying crops for a new gardener or an impatient one.

Plan around the bolt

Heat is arugula's off switch. When temperatures climb, it bolts, shooting up a flower stalk, and the leaves turn sharp, tough, and unpleasantly bitter. This isn't a failure; it's the plant's nature, the same way cilantro behaves. The answer is the same too: treat it as a spring-and-fall crop, skip the heat of midsummer, and sow a fresh short row every two to three weeks with succession planting so you always have tender young leaves coming rather than one row racing to flower. The fall crop is often the best, sweetened by cool weather and slow to bolt.

Harvest arugula young, cut-and-come-again

Pick arugula young for the mildest flavor. Older leaves get progressively hotter and more pungent. You can harvest two ways: snip individual outer leaves and let the plant keep growing for a cut-and-come-again supply, or shear a whole patch an inch above the soil and let it regrow for a second cut. Either way, keep it evenly watered, since drought stress also makes leaves harsh and pushes plants to bolt. When a plant does flower, don't pull it straight away. The small white blooms are edible with a mild peppery taste, and bees love them.

Almost no trouble

Arugula's main pest is the flea beetle, which peppers the leaves with tiny shot-holes; it's mostly cosmetic on a fast crop, and a lightweight row cover keeps them off baby greens entirely. Beyond that, this is about as easy and quick as vegetables get. Find your spring and fall sowing windows on the planting calendar.