Mature size & growth rate

How big does Arugula (Eruca vesicaria) get?

Also called Arugula, Rocket, Roquette, Rucola.

More about arugula

About Arugula

Eruca vesicaria · also called Arugula, Rocket · edible

Arugula is a fast-growing, cool-season salad leaf with a distinctive peppery, slightly nutty flavour. It matures in as little as 40 days from sowing and can be harvested as baby leaves in 20–25 days. Grow in full sun to partial shade in cool weather; hot temperatures cause rapid bolting and increasingly bitter, pungent leaves.

Mature size: 15–30 cm tall as a leaf crop; 60–100 cm in flower (6–12 in leaf; 24–40 in in flower)

Watch for — Bolting in warm weather: The primary challenge with arugula — triggered by long days (>13 hours) and temperatures above 22°C. Once bolted, leaves become small, increasingly pungent, and unsuitable for salads. Make successive small sowings every 2–3 weeks from early spring through early summer and again in late summer through autumn. Choose slow-bolt varieties for summer growing.

Indoor size vs how big it gets in the wild

Arugula reaches its full size within one growing season — there is no "long-term" size, just how big it gets before you harvest or it dies back. Indoors and in a pot, expect 15–30 cm tall as a leaf crop. In the ground with no restriction it is a completely different plant — 60–100 cm in flower (6–12 in leaf; 24–40 in in flower) — which is why the pot, the light and the pruning matter so much for the size you actually end up with.

It sizes up fast and once, racing from seedling to full size in a single season; after cropping it is finished, so size is a within-season question.

Growth rate and years to mature

Arugula is a fast grower. Realistically, expect a single growing season — it reaches full size in one year, then is done. Its feeding profile backs this up: for a quick-growing crop, a base dressing of balanced general-purpose fertiliser or compost worked into the soil before sowing is usually sufficient. successive sowings benefit from a light liquid feed of high-nitrogen fertiliser every 2–3 weeks. avoid over-fertilising with nitrogen, which can mask flavour compounds.

Want this turned into the right next pot at the right moment? The pot size calculator and the arugula repotting guide cover when and how much to size up — pot size is one of the biggest levers on how fast arugula grows.

How to keep arugula smaller

You are not stuck with the maximum size. For arugula specifically, these are the levers, in order of impact:

Choose a compact or dwarf variety of arugula from the start — that is the most reliable size control for an annual.
Grow it in a smaller container to naturally limit how large it gets.
For some crops, pinching or pruning the growing tips keeps the plant shorter and bushier.
Sow a little later or space plants closer if you specifically want smaller individual plants.

How to grow arugula bigger or faster

If you want it to fill the space sooner, push the conditions rather than hoping — for arugula the accelerators are:

Full sun, warm soil and steady water are what drive a crop to full size fastest.
Sow at the right time for your zone so it gets the whole season to size up.
Feed appropriately for the crop and never let it check (stall) from drought or cold.

Light is almost always the ceiling. The arugula light requirements page covers exactly how bright a spot it needs to grow at its potential instead of stalling.

When arugula outgrows the room (or the pot)

"Too big" usually arrives as one of these signs for arugula:

It sprawls beyond its bed or container before harvest — usually a spacing or support issue.
It flops or needs staking once it hits full height.
Once it has fruited or bolted, it is at its final size for good — the next plant is a new sowing.

If it is the pot rather than the room, it is a repotting job, not a goodbye — see the arugula repotting guide. If you want more of this plant instead of a bigger one, the arugula propagation guide turns prunings into new plants.

Arugula size — frequently asked questions

How big does arugula get?

Arugula reaches 15–30 cm tall as a leaf crop when grown indoors, and far larger where it grows unrestricted (60–100 cm in flower (6–12 in leaf; 24–40 in in flower)). It sizes up fast and once, racing from seedling to full size in a single season; after cropping it is finished, so size is a within-season question.

Is arugula slow or fast growing?

Arugula is a fast grower. Expect a single growing season — it reaches full size in one year, then is done. Arugula reaches its full size within one growing season — there is no "long-term" size, just how big it gets before you harvest or it dies back.

How long does arugula take to reach full size?

Roughly a single growing season — it reaches full size in one year, then is done. Light, pot size and feeding move that timeline more than anything else.

How do I keep arugula smaller?

Choose a compact or dwarf variety of arugula from the start — that is the most reliable size control for an annual. Grow it in a smaller container to naturally limit how large it gets. For some crops, pinching or pruning the growing tips keeps the plant shorter and bushier. Sow a little later or space plants closer if you specifically want smaller individual plants.

How can I make arugula grow bigger or faster?

Full sun, warm soil and steady water are what drive a crop to full size fastest. Sow at the right time for your zone so it gets the whole season to size up. Feed appropriately for the crop and never let it check (stall) from drought or cold.