Growing Microgreens Indoors: Easy Steps

Growing microgreens indoors lets you have fresh greens ready to eat in just one or two weeks. You don't need a yard or even much space. A kitchen counter works perfectly fine. These little plants pack way more nutrients than their full-grown versions. They taste incredible too.

Most people try growing microgreens indoors because they want fresher food without the grocery store price tag. One small tray gives you enough greens for salads and sandwiches all week long. The whole process takes less effort than you'd think. You'll wonder why you didn't start sooner.

This guide covers everything you need to know to get started. We'll talk about what supplies work best and which seeds grow easiest. You'll learn exactly when to harvest for the best flavor.

What You Actually Need to Get Started

You probably have half of what you need already sitting around your house. The rest costs less than buying microgreens at the store a few times. No fancy equipment required.

Grab some shallow trays first. Those standard seed trays that measure 10x20 inches work great. You can also use disposable aluminum pans from the dollar store. Even old takeout containers work if you poke holes in the bottom. The holes let extra water drain out so your seeds don't rot.

For growing medium, coconut coir tops the list. It holds moisture without getting soggy. Seed starting mix from the garden center also works really well. Some people use hemp mats or paper towels for certain types. Don't use regular garden soil though. It's too heavy and might have weed seeds in it.

Buy seeds made specifically for microgreens. The package should say so clearly on the front. Organic seeds cost a bit more but they're worth it. Regular garden seeds sometimes get treated with chemicals you don't want on food you'll eat in a week.

Light makes the biggest difference in how your microgreens turn out. A sunny window facing south gives enough light most of the time. But grow lights give you way better control. LED ones don't cost much to run and they stay cool. Put them about 6 inches above your trays.

You'll need a spray bottle for gentle watering. Grab a watering can with small holes too. Let your tap water sit overnight before using it. This lets the chlorine evaporate out first.

Picking Varieties That Actually Grow Easy

Some microgreens practically grow themselves. Others need babying. Start with the easy ones and work your way up.

The Beginner Favorites

Sunflower microgreens win for easiest to grow. They sprout fast and don't get fussy about conditions. The taste is mild and nutty. Kids actually like eating them. Radish microgreens come next on the easy list. They grow super quick and add a nice peppery bite.

Broccoli microgreens take a tiny bit more attention but still grow well for beginners. The flavor stays mild and slightly sweet. Most people find them really tasty. Pea shoots grow slower but produce tons of greens. They taste sweet and tender.

Skip amaranth and beets when you're just starting out. They need things to be just right or they won't sprout. Try those after you've grown a few successful batches.

Different Flavors to Try

Spicy varieties wake up boring meals fast. Here are some good options to consider:

• Mustard greens range from mild to super hot depending on type

• Arugula brings that classic peppery kick

• Radish delivers sharp flavor that really stands out

Mild varieties work better when you want nutrition without strong taste. Sunflower and pea shoots fall here. So do broccoli and kale microgreens. These blend into smoothies without changing the flavor much.

Want something different? Basil microgreens taste like concentrated pesto. Cilantro microgreens give you that herb flavor way earlier than waiting for full plants. Shiso microgreens bring interesting Asian flavors to your cooking.

How to Actually Grow Them

Growing microgreens indoors follows the same basic steps every time. Get these right and you'll have great results.

Setting Everything Up

Fill your tray with growing medium about 1 to 2 inches deep. Press it down gently so it's even and firm. Get it damp before adding seeds. This keeps you from washing seeds around later when you water.

Spread your seeds across the whole surface. Big seeds like sunflower need to cover the surface without stacking up. Smaller seeds like broccoli can sit closer together. Press all the seeds down gently into the medium.

Cover your seeded tray with another empty tray flipped upside down. This creates darkness that helps most seeds sprout. The weight also helps seeds make good contact with the medium. Some people add a small weight on top for extra pressure.

Watering and Care

Check your trays twice a day while seeds are sprouting. Most pop up within 2 to 4 days. Mist the surface lightly if it looks dry. You want it damp but not puddled.

Take the cover off when you see green shoots pushing up. This usually happens around day 3 or 4 for fast growers. Slower seeds might need 5 or 6 days covered. Different seeds sprout at different speeds.

Bottom watering beats top watering once your microgreens get going. Set your growing tray inside a bigger tray with water in it. The medium soaks up moisture through the holes. This stops mold while keeping roots wet. Pull out the water tray after 10 to 15 minutes.

Getting Light and Temperature Right

Move uncovered trays under lights or to your sunny window right away. Microgreens need 12 to 16 hours of light daily. They get tall and weak without enough light. Sunlight works great but weather makes it unpredictable.

Room temperature between 65 and 75 degrees suits most types. Warmer speeds up growth but the greens might not last as long after cutting. Cooler slows things down but often makes flavor better. Keep trays away from heating vents and cold windows.

Turn your trays every day if you're using window light. This keeps one side from getting more sun than the other. Everything grows more evenly that way. Skip turning if you have overhead grow lights.

Knowing When to Harvest

Most microgreens hit perfect size in 7 to 14 days total. Look for the first true leaves above those initial round leaves. That's when nutrition and flavor peak. Waiting too long makes them less tasty.

Cut about half an inch above the soil line. Sharp scissors or a clean knife both work fine. Grab small bunches and cut them together. Leave the roots and medium in the tray for your compost bin later.

Only harvest what you'll eat in a few days. Microgreens taste best right after cutting. You can harvest sections at a time to keep trays going longer. Store cut greens in the fridge wrapped in slightly damp paper towels.

Fixing Common Problems

Even people who've grown lots of batches run into issues sometimes. Most problems have easy fixes though. Catch them early and you won't lose whole trays.

Mold shows up as fuzzy white or gray stuff on your growing medium. Too much water and not enough air flow cause this. Water less often and get air moving around your trays. A small fan nearby helps a ton. If mold spreads a lot, toss that batch and start over.

Tall pale microgreens mean they're not getting enough light. Move trays closer to your light or add more lights. The plants stretch trying to find light. This makes weak stems that fall over. Fix the light problem before planting your next batch.

Seeds that don't all sprout evenly usually means you spread them unevenly or watered inconsistently. Some spots got too wet while others stayed too dry. Spread seeds more carefully next time. Make sure your medium is damp all the way through before adding seeds. Check that your tray sits level.

Yellow or brown spots mean too much direct sun or heat. Move trays back from intense afternoon sun if you're using a window. Raise grow lights higher if they're too close. Some yellowing at harvest time is normal as plants mature.

Getting the Most Nutrition

When you cut your microgreens changes how much nutrition they have. How you store them matters too. Small changes help you keep more of the good stuff.

Cut microgreens right before eating them when possible. Nutrients start dropping as soon as you harvest. The difference between fresh cut and two days old can be pretty big. Some vitamins break down fast when exposed to light and air.

Store harvested greens in airtight containers with paper towels inside. The towels soak up extra moisture that causes rot. Keep containers in your fridge's crisper drawer. Most types stay fresh 3 to 5 days this way.

Rinse microgreens just before eating instead of right after harvest. Extra water makes them spoil faster during storage. A salad spinner gets water off without bruising the leaves. You can also pat them dry with clean towels.

Add microgreens to meals at the last minute to keep them crunchy. Cooking destroys lots of their nutrition and makes them wilty. Put them on top of hot dishes as garnish. Mix them into cold stuff like salads, wraps, and smoothies.

Start Growing Fresh Greens Today

Growing microgreens indoors puts fresh food on your table every week. The whole process is simple enough for anyone to figure out quickly. You control exactly what goes into your food from seed to plate. Watching those little greens grow never gets old.

Start with just one or two trays of easy varieties. Build up your skills before trying harder seeds or running multiple trays. Once you get the hang of it, growing microgreens feels pretty effortless.

At Grace Harbor Farms, we know how good fresh, pure food tastes. Our family brings that same care to everything we grow. We partner with local Washington farmers to give families products they can trust. Check out our organic eggs and microgreens at stores across Western Washington. You can also order online for delivery straight to your door. Every product we offer comes from our commitment to real food without shortcuts or junk additives. Find out more at graceharborfarms.com.