Domakihub How to Grow Wheatgrass at Home: 5 Simple Steps
From seed to harvest in under two weeks, with no garden required.
Reviewed by Domakihub garden pros · 2026-06-23 · 5 min read
Wheatgrass is one of the fastest and most rewarding things you can grow indoors — a tray can go from seed to ready-to-cut in as little as nine days. The video above from Daisy Creek Farms walks through the full process visually; the steps below give you everything you need to replicate it in a Greek apartment, villa kitchen, or hotel wellness corner. Whether you want daily shots for a rental guest amenity or a steady personal supply through the long Mediterranean summer, this guide keeps it practical and low-fuss.
Why Wheatgrass Suits the Greek Climate
Greece's warm indoor temperatures (typically 20–28 °C year-round in coastal areas) are close to ideal for germinating wheat seeds. Unlike many microgreens, wheatgrass actually tolerates slightly warmer rooms without bolting immediately, making it a reliable year-round crop even in Athens apartments or Cretan holiday villas where air conditioning keeps things consistent.
The main watch-out in Greece is excessive dryness in summer and limited natural humidity. A light daily misting and a spot away from direct midday sun — a bright north-facing windowsill or a shaded balcony table — keeps the tray moist enough without triggering mould.
What You Need Before You Start
The shopping list is short: hard red winter wheat berries (available at health-food shops or online, roughly 500 g covers two standard trays), a shallow tray roughly 25×35 cm with drainage holes, a matching tray without holes to catch water, an organic potting mix or coconut coir, and a spray bottle. Optionally, a small mesh colander speeds up the rinsing step.
Choose organic, untreated wheat berries. Conventional grain sold for milling may have been treated with fungicides that interfere with germination and are not something you want in a daily health shot.
5 Steps to Grow Wheatgrass at Home
- 1
Soak the seeds overnight
Measure roughly 120 g of wheat berries per standard tray and rinse them under cold running water. Transfer to a bowl, cover with double the volume of water, and leave to soak for 8–12 hours. The seeds will swell visibly; you may already see tiny white tails by morning. Drain and rinse once more before use.
- 2
Prepare your tray
Fill the drainage tray to about 3 cm depth with moist potting mix or hydrated coconut coir — do not pack it tight. Coir is lightweight, resists mould, and is easy to compost afterwards, making it popular for indoor use in flats without outdoor bin access. Level the surface gently with your hand.
- 3
Spread and cover the seeds
Scatter the soaked seeds in a single, even layer across the surface. Seeds can touch but should not pile up. Mist the seeds thoroughly, then cover the tray with its solid bottom tray flipped upside down, or a sheet of damp newspaper, to create a dark, humid microclimate for the first two to three days. This mimics underground germination and encourages strong root development before the shoots reach for light.
- 4
Water and uncover as shoots emerge
Lift the cover once a day to mist the seeds, checking for moisture without waterlogging. By day three or four you will see pale yellow shoots pushing up; once they reach about 2–3 cm, remove the cover entirely and move the tray to a bright spot out of harsh direct sun. Water from the bottom by pouring a small amount into the solid catch tray — this prevents damping-off disease and keeps the root zone moist while the leaves stay dry.
- 5
Harvest at 15–20 cm height
Wheatgrass is ready to cut when the blades reach 15–20 cm and are a rich, deep green — usually day 8–10 in warm Greek interiors. Use clean scissors to cut just above the soil line. Rinse the cut grass, juice immediately for maximum nutrition, and refrigerate any excess for up to 24 hours. A second, lighter harvest (the 'second cut') is possible 5–7 days later, though it is milder in flavour and nutritional density.
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FAQ
- Can I grow wheatgrass without soil on a balcony in Greece?
- Yes. Coconut coir, hydroponic mats, or even a layer of damp paper towels work well as soilless growing media. A sheltered balcony spot that avoids direct midday sun is ideal from spring through autumn; move trays indoors during the dry heat of July and August to prevent the substrate from drying out between waterings.
- How long does one tray last and how often should I start new ones?
- A single tray provides roughly two to three daily shots of juice per harvest, and one full cycle takes about 10 days. If you want a continuous supply — useful for a wellness-focused rental property or hotel — stagger two or three trays started two to three days apart. That way you always have one tray approaching harvest while another is just germinating.
- What causes mould and how do I prevent it?
- Mould on wheatgrass is almost always caused by poor air circulation, overwatering from above, or too high a seed density. Prevent it by watering from below once the cover is removed, thinning seeds to a true single layer, and placing the tray where air moves gently — a slightly open window or a kitchen with a ceiling fan is enough. If you spot mould early, mist the affected area with a 1:9 dilution of apple cider vinegar in water and increase airflow.