How to Grow Pea Shoots
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How to Grow Pea Shoots
Sweet, crunchy, and the variety that gets your foot in the door at every restaurant in town.
Free Grower's Guide
Grown Like A Pro is a microgreen platform built by growers, for growers. This guide hands you the exact numbers we use on our own trays.
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Let me ask you something. If you walked into a busy restaurant kitchen with one sample to put in a chef's hand, which green would you bet your reputation on?
For most growers who actually sell, the answer is pea shoots.
Here is why. Pea shoots taste like fresh, sweet garden peas with a clean, juicy snap. Chefs already know that flavor, they already love it, and they can picture it on a plate before you finish your sentence. The curly tendrils look like money on the plate, and that visual is half the sale.
So picture two growers. One leads with an unfamiliar bitter green and gets a polite no. The other hands over a pea shoot, watches the chef's face change, and walks out with a standing weekly order. That second grower is the one who understood that pea shoots are the gateway microgreen for restaurants.
Master this one crop and you have your foot in the door everywhere. Let's grow it.
Most microgreens forgive a skipped soak. Peas do not. This is the single step beginners get wrong, so let's nail it first.
Use whole green pea seed sold for sprouting or microgreens, often labeled speckled pea, dun pea, or sweet pea. Big, dry, hard seeds. That hardness is the whole reason the soak matters.
A dry pea is basically a tiny rock. Drop it on soil with no soak and it germinates slowly, unevenly, and weakly, if it comes up at all. Soaking lets the seed drink, swell, and switch on. Here is the question to sit with: do you want to find out on day five that half your tray never woke up? Soak first and you never have that morning.
Peas are big, so you plant a lot by weight:
Weigh the seed dry, before the soak. That is the number that matters.
After the soak, drain the seed and spread it in a thick, even layer across pre-moistened soil or coco coir, about 1 to 1.5 inches deep. The seeds can crowd together. That is fine for peas.
Now the part that builds those long, tender, snappable shoots: weighted blackout.
Cover the tray and stack a weight on top. Pushing against that resistance is what gives you tall, uniform shoots instead of a sprawling mess. You can use up to about 7 pounds.
Notice the contrast with some other crops: peas need no separate unweighted blackout phase. They are strong enough that you go straight from the weighted days into the light. Less fuss, faster turn.
Lift the cover once a day to check moisture and airflow. Peas drink hard even in the dark, so if the surface looks dry, water it. A stale, soggy, covered tray is exactly the warm, still, wet environment mold loves, so keep a little air moving.
By the end of blackout you should see pale, crowded shoots reaching up, ready to flush green the moment they see light.
After the 2 to 3 weighted blackout days, uncover the tray and move it under light for roughly 8 days. A basic full-spectrum LED shop light about 6 to 12 inches above the canopy, running 12 to 16 hours a day, is all you need.
Within 12 to 24 hours of light, those pale shoots flush a vibrant green. This is the most satisfying moment in the whole grow, and with peas it happens fast.
As the shoots stretch under light, you will see the first curly tendrils appear and reach out. Those tendrils are your harvest signal and your selling point, so this is the stretch you watch closely.
Strong, close light keeps the shoots short, stocky, and standing. Light that is too far away gives you leggy, floppy shoots that tangle and are a pain to cut clean. If your tray starts leaning toward a window, rotate it daily so it greens up evenly all the way across.
Keep the room in that comfortable 65 to 75 F range, keep a little air moving, and your pea tray fills in thick and green.
Here is where peas break the usual rule. With most microgreens the warning is do not overwater. Peas flip that on you. They are big, vigorous, thirsty plants, and a pea tray that runs dry stalls or topples fast.
Pick up the tray. A watered tray feels heavy. When it feels light, water it. With peas you will be doing the lift test more often than you expect, sometimes twice a day in a warm, dry room. Your hands learn the rhythm in about three trays.
Tape this page to your shelf. These are the exact figures we grow by.
| Tray Size | Dry Seed |
|---|---|
| 10x20 | 240g |
| 10x10 (half) | 120g |
| 5x5 (one eighth) | 30g |
No unweighted blackout needed. Ready around day 10, harvest through day 14.
| Spec | Target |
|---|---|
| Soak time | 8 to 12 h (required) |
| Soil pH | 6.0 to 6.5 |
| Yield per 10x20 | about 566g |
| Blackout weight | up to about 7 lbs |
| Water use | 16 oz plus daily |
| Harvest height | 3 to 5 inches |
| Regrowth | 2 to 3 cuts |
Pea shoots are ready when they stand 3 to 5 inches tall and the curly tendrils have clearly formed. That usually lands between day 10 and day 14. Inside that window the flavor is at its sweetest and the texture is at its crispest.
The tendrils are your green light. No tendrils yet means give it another day. Tendrils out and reaching means it is time to cut.
A well-grown 10x20 tray yields about 566g of pea shoots. So ask yourself: what is that worth at your local retail price per ounce, on a crop chefs are already asking for by name? For most growers, a single pea tray turns a few dollars of seed into a serious return. Now multiply that across a shelf, and remember it can regrow.
Here is the part that makes pea shoots quietly more profitable than most crops on your shelf. Peas can regrow. One planting, two or three harvests.
The whole trick is in how you make the first cut. Instead of cutting low at the soil line, cut higher and leave about a half inch of stem standing. That stub holds the growing points the plant needs to push out a fresh flush.
So reframe what a pea tray is. It is not one harvest. It is a small crop that keeps paying you back from a single planting, which is exactly why it earns its spot on the shelf.
Nine times out of ten this traces back to the soak. Too short, or skipped entirely, and the hard seed never fully woke up. Soak a clean 8 to 12 hours next round and watch the difference. If a whole batch still limps in, suspect old or low-quality seed.
Sweet peas are vigorous, so if you left the weight on too long they shoved it aside and grew up crooked. Shorten the weighted blackout to about 2 days, 3 at most, and get the weight off in time.
Usually thirst. Peas drink hard, and a tray that dried out will flop. Pick it up. If it feels light, it needs water now. In a warm, dry room you may be watering twice a day.
Fine white fuzz hugging the roots is usually harmless root hairs. The test: mist it. Root hairs flatten and vanish. Real mold mats, spreads web-like across the surface and onto stems, and smells musty. If real mold shows up, improve airflow, ease off standing water, and spot-treat a small patch with dilute 3 percent hydrogen peroxide. If more than a quarter of the tray is hit, toss it, sanitize, and replant.
Not enough light, or light too far away. Drop the light to about 6 to 12 inches and give a full 12 to 16 hours a day.
The whole grow on one page.
| Stage | Day | What to Do |
|---|---|---|
| Soak | Before day 0 | Soak seed 8 to 12 hours, required. Seeds swell and nearly double. They will not germinate well without it. |
| Plant | 0 | Spread soaked seed thick on moist medium, pH 6.0 to 6.5. 240g for a 10x20. |
| Weighted blackout | 0 to 2 | Cover and weight (up to about 7 lbs). About 2 days, 3 at most, then off, or vigorous peas lift it. No unweighted phase. |
| Light | 2 to 10 | Uncover. Light 12 to 16 hrs a day. Bottom water heavily, 16 oz plus daily. Watch tendrils form. |
| Harvest | 10 to 14 | Cut at 3 to 5 inches once tendrils are out. Expect about 566g per 10x20. Leave a half inch to regrow. |
| Regrow | After cut 1 | Keep watering and lighting. Expect 2 to 3 total cuts from one planting. |
You now know how to grow pea shoots like a pro. Knowing it and doing it are two different things, and the doing is where the money is.
So here is the simple path forward:
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