Growing Oat Grass

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Growing Basics

Soak

30 - 60 minutes

The amount of time your seeds should soak in cool water. Soaking is how we begin the sprouting process in most cases.
Rinse / Drain

2 times per day

How often your seeds should be watered. Rinsing thoroughly and then draining as much water as possible are key components to growing great sprouts.
Plant

Day 2

Approximate time you will plant your crop if growing Grass, Greens, or Micro-Greens, after soaking your seeds. If your seeds do not soak they will get planted right off the bat.
Harvest

6 - 10 days

The time it takes to grow a finished Sprout, or other crop (Micro-Greens, Grass, Greens) from a dry Seed. Note: This "finished" Sprout is our preference. you may grow them for as long as you want! In fact, we suggest that you taste them at every rinse to discover when you like them best.

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Growing Instructions

Print Instructions

Soak 1/4 cup of grain in cool water for 30-60 minutes.

Drain off soak water. Do not ever soak again.

Rinse and Drain with cool water every 8-12 hours until your seeds have the tiniest root showing.

Plant on a thoroughly moistened medium.

Cover your crop with another tray or plate, to keep light out and moisture in.

Keep your medium moist by watering lightly as needed. Don't drench!

When your grass is 1-2 inches tall, remove cover and move your crop to a well lit location.

Harvest when your Grass is 4-12 inches tall by cutting just above the medium, with a scissors or sharp knife.

Video
Notes
Detailed Instructions
Additional Images
Taxonomy

See Our Other Videos

Seed Storage

Wheat is best stored in a cool location - at home, we keep ours in a freezer. There is no need to thaw your seed before Soaking.

Planting Density

The more densely you plant the seed the less air circulates around the individual blades of Grass. This can cause some fungal growth - we call it “fuzzies”. This is not a problem, except that it is unattractive. If you are consuming this as juice - just rinse it off when you harvest the Grass. If you hate it - increase air flow by planting less seed. Additionally, you may move your Grass to a better ventilated area. In summer we grow our Grass outside (from the point when we uncover the tray) for optimal air circulation.

Planting Medium

We grew Grass - on soil - in Trays, for over 20 years. But, we now have alternatives: Soilless mediums - Coconut Coir - our all-time favorite - and Hemp Felt - a thin organic material that you soak before planting upon. Hemp Felt holds moisture well and when used with organic liquid Kelp Fertilizer, is the cleanest (least messy) way to grow strong crops. Coconut Coir is more like soil. It holds moisture phenomenally well and provides nutrients as needed to your growing crop. Used in conjunction with Earthworm Castings it is the perfect medium!

You will notice in our Video - A Time Lapse: Wheatgrass Growing that we used only a piece of Hemp Felt on a plate. So, obviously that too is possible. We don't have this method in our instructions, but if you want to do it - all you need to do - in addition to following the rest of our instructions - is to water FREQUENTLY. I pumped a Spray Bottle thousands of times over the course of that time-lapse @:-)

Soil Notes

Virtually any soil will do for Grass. We used sterile bagged soil (usually composted cow manure) when we were professional growers, but any sterile bagged soil will do. You can find some at your local garden center. You can use expensive soil if you prefer - it is your choice - always. Of course Organic is best, but it is usually quite costly.

The amount of soil you use is up to you. The reality is this: As your plants grow they need more and more water. They get their water from the soil. The more soil you use - the more water it can hold = the less frequently you need to water.

Hydroponic Grass

We do not grow hydroponic Grass - we've tried but have never gotten the yields we get with soil. Now that we have a soilless alternatives like Coconut Coir and Hemp Felt we are even less interested in hydroponic Grass growing, but there is a theoretical plus to growing Grass without a medium - you can juice the entire crop - grains, roots and grass, so if you want to try - go for it! Go to Val at Go Green/Green Smoothie - she is the meister of hydroponic Grass. Tell her us Sproutpeople sent you!

Tray Notes

Your Planting Tray (the one with the medium in it) MUST have drainage holes or slits! Nothing will grow well in a medium that can not drain - that condition is commonly called "flooded". We do use the Drip Tray to hold some water at times in the growing process. (see instructions - in the Growing Instructions tab).

As I've said elsewhere on the site, we hate dogma, so take my dogma with a grain of salt. You can grow in trays without drainage (the amazing people at the Hippocrates Health Institute have long done so), but you do have to be able to drain excess water away. Tipping is a possibility, but we think it risky - especially for the novice grower, hence my dogma.

Going for "Split Blades"

There are some who maintain that Grass doesn't reach its full nutritional value until its blades "split" - or a second blade grows. It is pretty difficult to grow Grass this big in a small container. It usually wilts before it can do this, but it is possible. Just keep your crop moist and examine the blades of Grass - from day 8 on - to see if they are "splitting". It happens low on the blade - within the first inch or so above the medium. Harvest as soon as you see the split.

As always, we think it is most essential that you enjoy what you grow. The more you like what you grow, the more you'll want to consume it. Whenever you consume it - it will have a whole lot of nutritional value. If you prefer it younger (we do), stop and harvest according to our instructions. If you want to grow it more, go for it. It's all great!

If you are going for this, we advise that you plant on mix of 75% Coconut Coir enriched with 25% Earthworm Castings, which adds a lot of nitrogen for the Grass to draw upon. Nitrogen is the nutrient a plant needs to put on green growth.

Re-Growing Your Crop

Grass can produce a 2nd and even 3rd crop - so you may continue to water after you cut your first crop. The 2nd and (more so) the 3rd crop will not be as tender, nor usually as tall, but it is good to try growing at least a 2nd crop. Decide for yourself if it is worth it! Coconut Coir is the best medium, as far as water retention is concerned - if you want to go for multiple cuttings, but Coir or soil enriched with Earthworm Castings is perhaps a better choice as it gives the Grass nutrients to draw upon. Whatever you use, it's worth a try if only for the experience.

Re-Using your Medium

Do NOT try to re-use your Growing Medium. You just need to start over when you plant a new crop. We have a short Video on the subject =:-)

How much you soak depends on the area you are planting.
Yields approximately as much Grass (by weight) as Grain planted.

Pre-Sprout

Grass will grow much better if you sprout it prior to planting!

Put seed into a bowl or your Sprouter. Add 2-3 times as much cool (60-70°) water. Mix seeds up to assure even water contact for all. Allow seeds to Soak for 30-60 minutes.

Empty the seeds into your sprouter if necessary. Drain off the Soak water. Use it to water plants, or whatever you like. It has nutrients in it.

Rinse thoroughly with cool (60-70°) water and Drain thoroughly.

Set anywhere out of direct sunlight and at room temperature (70° is optimal) between Rinses. This is where your sprouts do their growing. We use a counter top - in the corner of our kitchen, but where the sprouter won't get knocked over by cats, dogs, kids or us. We don't mind the indirect sunlight or our 150 watts of bulb light, because light just does not matter much. A plant can only perform photosynthesis when it has leaves. Until then light has little if any effect.

Rinse and Drain again in 8-12 hours. And, perhaps one more... Rinse and Drain in 8-12 hours. And, conceivably one more... Rinse and Drain in 8-12 hours.

The goal is to have just the hint of a Root - or a very short Root before planting. Most of the seeds will have that hint, or have sprouted tiny (1/16 - 1/8 inch) roots after just 1 or 2 Rinse and Drain cycles.

Planting

Thoroughly moisten your medium.
Hemp Felt: Cut it to fit your Tray if necessary. Soak it in water or better yet, Kelp Fertilizer enriched water, until thoroughly saturated. Spread the wet pad across the bottom of your planting tray. Proceed...

Coconut Coir: Since Coir comes to you as a solid brick - you first have to reconstitute it - which is very easy and very cool. Once it is soil-like you may mix in up to 25% (by volume) Earthworm Castings, to provide more nutrients to your crops. Fill whatever tray you are using, 3/4 full. The only trick to Coir (with or without the worm castings) is getting the medium properly moist. Saturated is perfect. Puddles is too much. Proceed...

Spread seeds evenly on thoroughly moistened medium. Rinse your seeds one last time and then lay them across the planting medium. Spread them out as evenly as you can. We use a lot of grain and though some literature will tell you that your seeds should not ever lay atop each other, we have found from years of experience and thousands of trays of Grass grown that that is bunk! You will learn for yourself that Grass produces a plant that takes up less room than the grain did, and so to maximize your yield your seeds must lay atop each other to some degree. The thing to watch is this: If you find mold or fungal problems in your Grass then lessen the amount of grain you plant. The hotter/more humid your climate is the more of an issue the mold/fungus is. As always, you need to adapt to your own climate and seasonal conditions. You will learn as you go. This is really easy and fun stuff to learn!

Cover the planted tray with an inverted tray (i.e. the Cover Tray) - to keep light out and moisture in. By inverted I mean that the lip of the Cover Tray rests directly on the lip of the Planting Tray - so the bottom of the Cover Tray is facing up.

Note: Your covering tray should have holes or slits in it so that some air circulation exists

Place in a low-light, room temperature location. 70° is always optimal but Grass will grow very well in cooler temperatures also.

Watering

Water lightly once or twice a day, for the next few days. The goal is to keep the sprouts moist until their roots bury themselves in the soil/medium - at which point your goal is to keep the medium moist. Spraying the sprouts is best - whether you use a Spray Bottle or sink/faucet sprayer - just try to make sure that every sprout gets rinsed and quenched until they bury their roots. You may also use some Kelp Fertilizer if you like.

Water the medium. Once the roots are buried, all you need to do is keep the medium moist - the seeds and subsequent Grass will get the moisture they need through their roots. Water from the side if possible, to prevent injuring the tender blades.

Hemp Felt will dry out more quickly than a deep medium, so you should either water more often or experiment with our somewhat risky trick:

Use the Drip Tray to hold some water. The roots will actually sit in this, so don't go crazy - too much can drown your plants and/or lead to fungal or mold problems. Just leave as much water as the Grass can drink in a day - and then add more the following day. The amount is dependant on the climate (humidity especially) you're growing in, so you'll have to learn this for yourself. We suggest that you start with 1-2 cups in the Drip Tray. Lift the Planting Tray to see how much is left after 4, 8 and 12 hours. If the Drip Tray is dry - add more water - if there is still water 24 hours later then cut back the next time you add water. Pretty simple really, and not as risky as we make it sound - it is really a time saver and can produce happier healthy grass. Leaving too much water for too long will lead to funkiness. The roots can go brown, and the smell will be unpleasant. Just keep an eye open and use common sense. Be the plant!

Once again, we do recommend Kelp Fertilizer enriched water for soilless growers. Soil growers may use it too of course, but the soil does have some nutrients already, so it is not nearly as important for you. If you are using Coconut Coir and have added Earthworm Castings you have no need for kelp.

Greening your Grass

Uncover your Grass on day 3, 4 or 5 - or whenever it's 1-2 inches tall. We usually wait until it pushes the covering tray up (it really will do that!)

Move to a well lit location.
Direct sunlight is a very good idea for Grass. Keep your medium moist. The bigger your grass grows the more quickly it drinks water.
Watch it grow. It takes about 4 or 5 more days to get to....

Harvest

Harvest by cutting the Grass just above the medium when the Grass is 6 or more inches tall (actually height is just a matter of yield - you can cut it any time you want to).

We believe that you will get the best flavor and nutrition from freshly cut Grass. We cut JUST prior to juicing and we feel the difference! But, you are better off juicing week old Grass than no Grass at all, so do what you must! Drink More Juice!

If you are going to store your crop: During the final 8-12 hours minimize the surface moisture of your Grass - it will store best in your refrigerator if it's dry to the touch. So if you water try to keep the water off the plants - just water the medium.

Transfer your crop to a plastic bag or the sealed container of your choice. We offer a great Produce Storage Bag which extends the shelf life of all produce stored within it. Whatever you use, put your crop in your refrigerator. Use it/juice it as soon as possible.

Freezing juice is also a great way to go. We fill ice cube trays with juice and transfer the cubes to ziplock bags, so we can have a shot anytime.

Amount of Seed to Use

If using Sproutpeople's Single Harvest Pack - use the whole bag on our 5 inch tray (or similar).

Or Use: 1/4 - 1/3 Cups Dry Grain for a 5 inch square Tray.
1 - 2 Cups dry grain for an 10 inch square Tray.
2 - 4 Cups dry grain for for an 10 inch x 20 inch Tray.

The surest way to know what amount of seed to use: Spread dry seed on the bottom of your Tray so that the seed is spread evenly but densely.

Juice Yield: We get about 20 ounces of juice from a 10x20 inch tray of Grass. We use a GreenStar Juicer. You should probably expect to get less (around 10 ounces) until you are an experienced grower with a great juicer.

Dry Oats await their Soak.

30-60 minutes later... Soaked, Rinsed and Drained.

12 hours later... another Rinse/Drain cycle. If you see the roots beginning to emerge, plant now. Or....

12 hours later... another Rinse/Drain cycle.If you chose not to do so 12 hours ago, NOW is the time to Plant.

We planted our barely sprouted (pre-sprouted) Oats atop the thoroughly moistened medium of our choosing, then watered it and covered it. Now - 12 hours later you can see serious growth and Root Hairs too.