How to Grow Wheatgrass

Wikimedia Commons

Wheatgrass

Triticum aestivum

grass

Wheatgrass is the young green shoots of the wheat plant, harvested at 7-10 days of growth before the jointing stage. It is prized for its nutrient density and is commonly consumed as a fresh juice or powder supplement. The grass grows quickly indoors or outdoors and requires minimal space.

When should you plant Wheatgrass in your zone?

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Example Wheatgrass timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Wheatgrass

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Wheatgrass

    Around Apr 24

    ≈ 7 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Wheatgrass dates for your own zip code.

Growing Conditions

☀️
Sun: Bright indirect light, 12-16 hours daily (fluorescent or LED grow lights work well indoors)
💧
Water: Keep soil consistently moist but not waterlogged; mist daily or use a spray bottle; soil should feel like a wrung-out sponge
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Spacing: Sow densely; seeds can touch—aim for full coverage of growing tray inches
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Days to maturity: 7-10 days for harvest-ready grass
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Planting depth: Soak seeds 8-12 hours, then spread on soil surface or ¼ inch deep; keep moist until sprouting

Soil

Type: Well-draining, nutrient-rich potting mix or shallow growing medium
pH: 6.0-7.0
Amendments:
Peat moss or coco coir Perlite for drainage Organic compost Kelp meal for trace minerals

Growing Zones

Find your zone →

Wheatgrass can be grown year-round indoors in any climate; outdoors it thrives in cool to temperate zones

1a 1b 2a 2b 3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a 11b 12a 12b 13a 13b

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Growth Stages

1

Soaking & Germination

1-2 days

Seeds are soaked overnight and begin to sprout; white roots emerge within 1-2 days

Use clean, untreated wheat berries; maintain warm temperature (65-75°F); ensure excellent drainage to prevent mold

2

Root Development

2-3 days

White root network forms and anchors into the soil; seeds are fully sprouted with small root mass visible

Keep soil moist; ensure good air circulation; provide minimal light at this stage; watch for mold and remove affected seeds

3

Shoot Emergence

2-3 days

Green shoots begin to break through the soil surface and grow upward; first true leaves unfold

Increase light exposure gradually; maintain consistent moisture; mist twice daily if humidity is low

4

Rapid Growth

3-5 days

Grass grows 1-2 inches per day; blades are vibrant green, upright, and densely packed

Provide 12-16 hours of bright light daily; maintain soil moisture without waterlogging; ensure good air circulation to prevent fungal issues

5

Harvest Ready

1 day (harvest window)

Grass reaches 6-10 inches tall; blades are bright green and tender; roots form a dense mat

Harvest when grass is vibrant green and before the second leaf appears (jointing stage); grass is at peak nutritional value

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Mold-prone environments Poorly ventilated spaces

Common Pests

  • and (Aspergillus spp., Fusarium spp.)

    Ensure excellent air circulation with a small fan; avoid overwatering; do not let water sit on leaves; sanitize trays between crops; remove affected seeds immediately

  • Allow soil surface to dry slightly between mistings; use yellow sticky traps; ensure good drainage; cover soil with a thin layer of sand to prevent egg-laying

  • Use high-quality, untreated wheat berries; sanitize all equipment and trays with a dilute bleach solution; maintain proper humidity (50-70%)

Uses

🍳

Fresh Juice & Smoothies

Culinary

Wheatgrass is pressed or juiced to create a nutrient-dense green juice, typically consumed as a 1-2 ounce shot. It can also be blended into smoothies for added chlorophyll and vitamins. [source]

💊

Nutritional Supplement

Medicinal

Rich in chlorophyll, enzymes, amino acids, and vitamins A, C, and E. Traditionally used to support detoxification, boost immunity, and provide antioxidant benefits. [source]

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Dried Powder

Household

Dehydrated wheatgrass can be ground into a fine powder and added to smoothies, water, or other beverages for convenient daily supplementation. [source]

💊

Digestive & Anti-inflammatory Support

Medicinal

The enzymes and nutrients in wheatgrass may support digestive health and reduce inflammation when consumed regularly. [source]

🦋

Pet Nutrition

Wildlife

Fresh wheatgrass is safe and beneficial for cats, dogs, and other pets; it provides greens, aids digestion, and supports natural detoxification. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Harvest when grass is 6-10 inches tall and bright green, typically 7-10 days after planting. Cut just above the soil line using sharp scissors or a sharp knife. Wheatgrass can be harvested once; after cutting, the root system will not regenerate a second crop. Juice immediately for maximum nutrient content, or store fresh cut grass in a refrigerator for up to 3 days. For powder, dry harvested grass in a dehydrator at low temperature (95-110°F) until completely dry, then grind in a blender.

Fun Facts

  • 🌱 Wheatgrass has been used in traditional medicine and wellness practices for over 5,000 years, particularly in Ayurvedic and Chinese medicine traditions.
  • 🌱 One ounce of fresh wheatgrass juice is nutritionally equivalent to approximately 2.2 pounds of fresh vegetable greens in terms of nutrient density.
  • 🌱 Wheatgrass can be grown year-round indoors on a windowsill or with grow lights, making it one of the fastest and most productive home crops—ready to harvest in just 7-10 days.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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