Microgreens have taken the culinary and health world by storm. Packed with nutrients, flavor, and vibrant colors, they’re easy to grow year-round, even in small spaces. Whether you’re a beginner or an experienced grower, mastering the right techniques and understanding the unique needs of each microgreen variety will boost your success and yield.
This guide offers proven growing hacks to optimize your harvest. It also includes a detailed cheat sheet covering more than 30 popular microgreen varieties, from Amaranth to Wheatgrass.
Microgreen Growing Hacks: Key Tips for Maximum Success
1. Choose Quality Seeds
Always use organic, untreated seeds labeled for sprouting or microgreens. Avoid grocery store seeds as they may be treated with chemicals.
2. Seed Soaking & Pre-Sprouting
To jumpstart germination, soak larger seeds like sunflower, peas, and buckwheat for 6-12 hours before planting. Pre-sprouting in a mesh colander with rinses every 8-12 hours also improves germination rates.
3. Growing Medium Matters
Use clean, fine-textured organic potting soil, coco coir, or hemp mats. Avoid heavy garden soil that may harbor pathogens.
4. Optimize Light & Temperature
Provide 12-16 hours of bright, indirect light using full-spectrum LEDs or a sunny window. Maintain temperature between 60°F-75°F (15°C-24°C) for best growth.
5. Control Moisture Carefully
Mist seedlings gently to keep soil moist but avoid overwatering. Too much moisture causes mold or damping off disease.
6. Use Blackout & Humidity Domes for Germination
Cover trays in complete darkness (blackout) for 2-3 days post-sowing to encourage root growth. Then expose to light and remove the dome gradually to prevent shock.
7. Ensure Good Airflow
Use fans or open windows to reduce humidity and prevent fungal issues.
8. Harvest Timing
Harvest microgreens at the first true leaf stage (typically 7-21 days, depending on variety) for peak nutrition and flavor.
9. Cleanliness & Sanitation
Sterilize trays and tools between crops using diluted bleach or hydrogen peroxide to prevent disease buildup.
The Ultimate Microgreen Cheat Sheet
Below is a detailed guide for each microgreen’s seeding rate, soaking/pre-sprouting instructions, blackout time, germination and harvest timing, flavor, and growing tips.
Amaranth
Seeding: 8-12 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate
Germination Time: 2-3 days
Harvest: 10-14 days (ideal 12 days)
Flavor: Mild, earthy
Color: Deep red/pink leaves
Notes: Needs good light for color; avoid excess moisture.
Arugula
Seeding: 12-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: Optional 4-6 hrs
Growing Medium: Soil or coco coir
Blackout: 1-2 days
Germination Rate: High
Germination Time: 2-3 days
Harvest: 7-14 days (ideal 9 days)
Flavor: Peppery, spicy
Color: Bright green
Notes: Fast-growing, best with good airflow.
Basil
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None
Germination Rate: Moderate
Germination Time: 5-7 days
Harvest: 14-21 days (ideal 18 days)
Flavor: Sweet, aromatic
Color: Green
Notes: Prefers warm temps (\~70-75°F) and high humidity.
Beet
Seeding: 15-20 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: Optional 12 hrs
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate
Germination Time: 3-4 days
Harvest: 10-14 days
Flavor: Earthy, sweet
Color: Red stems with green leaves
Notes: Needs consistent moisture; slow to germinate.
Broccoli
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: Optional 4 hrs
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: High
Germination Time: 2-3 days
Harvest: 9-14 days (ideal 12 days)
Flavor: Mild, slightly bitter
Color: Bright green
Notes: Rich in sulforaphane; avoid overwatering.
Brussels Sprout
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate
Germination Time: 3-4 days
Harvest: 10-15 days
Flavor: Mild, cabbage-like
Color: Green
Notes: Slow to germinate, needs steady moisture.
Buckwheat
Seeding: 30-40 g/10″x20″ tray
Seed Presoak: 6-12 hours
Pre-Sprout: 12-24 hours, rinse 2-4 times/day
Growing Medium: Soil or coco coir
Blackout: 1-2 days
Germination Rate: High
Germination Time: 2-3 days
Harvest: 7-12 days
Flavor: Mild, slightly nutty
Color: Green
Notes: Fast-growing, great in salad mixes.
Cabbage
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: High
Germination Time: 2-3 days
Harvest: 9-14 days
Flavor: Mild, slightly peppery
Color: Bright green
Notes: Nutrient-rich and fast-growing.
Cauliflower
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate to high
Germination Time: 3-4 days
Harvest: 10-14 days
Flavor: Mild, slightly sweet
Color: Pale green
Notes: Similar to broccoli microgreens; watch the moisture.
Celery
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: Optional 12 hours
Growing Medium: Soil or coco coir
Blackout: None
Germination Rate: Low to moderate
Germination Time: 7-10 days
Harvest: 14-21 days
Flavor: Mild, celery-like
Color: Green
Notes: Slow to germinate; keep soil moist but not wet.
Chard
Seeding: 12-18 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: Optional 12 hours
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate
Germination Time: 3-4 days
Harvest: 10-14 days
Flavor: Mild, earthy
Color: Green with red or white stems
Notes: Colorful stems add visual appeal.
Chia
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None (seeds gel)
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None
Germination Rate: Moderate
Germination Time: 5-7 days
Harvest: 14-21 days
Flavor: Mild, slightly grassy
Color: Green
Notes: Seeds form a gel layer; needs careful watering.
Chive / Green Onion / Leeks
Seeding: 8-12 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None
Germination Rate: Moderate
Germination Time: 5-7 days
Harvest: 14-21 days
Flavor: Onion-like, mild, sharpness
Color: Green
Notes: Use as a garnish; slow growers.
Cilantro
Seeding: 12-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: Optional 6 hours
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate
Germination Time: 5-7 days
Harvest: 14-21 days
Flavor: Citrusy, herbal
Color: Green
Notes: Slow to germinate; prefers cooler temps.
Clover
Seeding: 15-20 g/10″x20″ tray
Seed Presoak: 6-12 hours
Pre-Sprout: 12-24 hours, rinse 2-4 times/day
Growing Medium: Soil or coco coir
Blackout: 1-2 days
Germination Rate: High
Germination Time: 2-3 days
Harvest: 7-12 days
Flavor: Mild, sweet
Color: Green
Notes: Good for beginners; fast-growing.
Collard Greens (Vates)
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate to high
Germination Time: 3-4 days
Harvest: 10-14 days
Flavor: Mild, cabbage-like
Color: Green
Notes: Robust flavor; sturdy leaves.
Corn Shoots
Seeding: 40-50 g/10″x20″ tray
Seed Presoak: 12 hours
Pre-Sprout: 24 hours, rinse 2-4 times/day
Growing Medium: Soil only
Blackout: 3 days
Germination Rate: High
Germination Time: 2-3 days
Harvest: 8-12 days
Flavor: Sweet, fresh
Color: Green/yellow
Notes: Use sweet corn seeds; crunchy shoots.
Cress
Seeding: 15-20 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or hydroponic mats
Blackout: None
Germination Rate: Very high
Germination Time: 1-2 days
Harvest: 5-7 days
Flavor: Peppery, spicy
Color: Green
Notes: Very fast-growing; perfect for quick harvest.
Endive
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: Optional 6 hours
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate
Germination Time: 3-4 days
Harvest: 10-14 days
Flavor: Mildly bitter
Color: Green
Notes: Adds texture and bitterness to salads.
Fennel
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None
Germination Rate: Low to moderate
Germination Time: 5-7 days
Harvest: 14-21 days
Flavor: Anise-like, sweet
Color: Green
Notes: Slow grower, requires warm temps.
Kale Microgreens (Vates Blue Curled & Red Russian)
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None or 4 hours
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: High
Germination Time: 2-3 days
Harvest: 9-14 days
Flavor: Mild, slightly bitter
Color: Green or purple-tinted (Red Russian)
Notes: Nutrient dense, strong flavor.
Kohlrabi (Purple Vienna)
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate to high
Germination Time: 3-4 days
Harvest: 10-14 days
Flavor: Mildly sweet, cabbage-like
Color: Green with purple stems
Notes: Unique color and flavor profile.
Lettuce Microgreens
Seeding: 12-18 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None
Germination Rate: Moderate
Germination Time: 3-4 days
Harvest: 10-14 days
Flavor: Mild, sweet
Color: Green or red leaf varieties
Notes: Adds volume and mild flavor to mixes.
Microgreens Salad Mixes
Seeding: Varied (combine 3-5 varieties)
Seed Presoak: Follow individual seed needs
Pre-Sprout: As needed per variety
Growing Medium: Soil or coco coir
Blackout: 1-3 days, depending on the mix
Germination Rate: Varies
Germination Time: 2-4 days
Harvest: 7-14 days
Flavor: Balanced, complex
Color: Multicolor
Notes: Mix textures and flavors for vibrant salads.
Mustard Microgreens
Seeding: 10-20 g/10″x 20″ tray
Seed Presoak: None
Pre-Sprout: Optional 6 hours
Growing Medium: Soil or coco coir
Blackout: 1 day
Germination Rate: High
Germination Time: 1-2 days
Harvest: 7-12 days (ideal 9 days)
Flavor: Hot, spicy
Color: Green or red varieties
Notes: Adds zing to salads and sandwiches.
Parsley Microgreens
Seeding: 12-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: 12-24 hours
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate
Germination Time: 7-10 days
Harvest: 14-21 days
Flavor: Fresh, herbal
Color: Green
Notes: Slow to germinate; nutritious garnish.
Pea Shoots (Dun or Afila tendril)
Seeding: 100-120 g/10″x20″ tray
Seed Presoak: 8-12 hours
Pre-Sprout: 12-24 hours, rinse 2-4 times/day
Growing Medium: Soil or coco coir
Blackout: 2-3 days stacked
Germination Rate: Very high
Germination Time: 2-3 days
Harvest: 12-14 days (ideal 13 days)
Flavor: Sweet, fresh
Color: Bright green
Notes: Nutrient-dense and fast-growing.
Radish Microgreens (Daikon & Sango)
Seeding: 15-25 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: Optional 12 hours
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: High
Germination Time: 1-2 days
Harvest: 7-10 days (ideal 8 days)
Flavor: Spicy, peppery
Color: Green with red or white stems
Notes: Fastest microgreen; needs airflow.
Red Komatsuna
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: None
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate
Germination Time: 3-4 days
Harvest: 10-14 days
Flavor: Mild, mustard-like
Color: Red stems and green leaves
Notes: Visually striking, flavorful.
Large Leaf Sorrel / Red Veined Sorrel
Seeding: 10-15 g/10″x20″ tray
Seed Presoak: None
Pre-Sprout: Optional 6 hours
Growing Medium: Soil or coco coir
Blackout: None or 1 day
Germination Rate: Moderate
Germination Time: 4-6 days
Harvest: 14-21 days
Flavor: Tart, lemony
Color: Green or red-veined
Notes: Adds acidity and color to salads.
Sunflower (Black Oil)
Seeding: 150 g/10″x20″ tray
Seed Presoak: 6-12 hours
Pre-Sprout: 12-24 hours, rinse 2-4 times/day
Growing Medium: Soil only
Blackout: 2-3 days stacked + 2-3 days dome
Germination Rate: High
Germination Time: 2-3 days
Harvest: 8-12 days (ideal 10 days)
Flavor: Crunchy, nutty, fresh
Color: Green
Notes: Large, substantial; a salad staple.
Wheatgrass
Seeding: 40-50 g/10″x20″ tray
Seed Presoak: 12 hours
Pre-Sprout: 24 hours, rinse 2-4 times/day
Growing Medium: Soil or hydro mats
Blackout: 3 days
Germination Rate: High
Germination Time: 2-3 days
Harvest: 8-12 days
Flavor: Fresh, grassy
Color: Bright green
Notes: Popular juice ingredient; avoid mold with airflow.
Final Thoughts
Mastering microgreens growing takes a bit of practice, but with these hacks and variety-specific cheat sheets, you’ll harvest nutrient-packed greens bursting with flavor and color. Experiment with mixes, adjust light, water, and timing for your local environment, and enjoy fresh microgreens year-round.