How to Grow Chia Microgreens

Soil, care & harvest

Prepare a shallow tray with a light, well-draining soil mix adjusted to a pH between 6.0 and 7.5. Since these are microgreens grown indoors year-round, you can sow seeds anytime rather than waiting for specific frost dates. Scatter one tablespoon of seeds per 10x20 inch tray at the surface; do not bury them deeply as they require light to germinate within three to five days.

Lightly mist the soil daily to maintain moisture, noting that chia seeds create a natural gel medium upon wetting. Keep trays in full sun to partial shade for four to six hours. Avoid heavy watering or thick mulch to prevent the gel coating from trapping excess water and causing rot. No trellising is needed as plants remain low-growing.

Indoor conditions usually result in minimal pest issues, but overwatering remains the primary risk due to root rot caused by the seed's gel layer. Ensure good airflow and strict moisture control to prevent disease. Harvest the microgreens when they reach one to three inches tall, typically within seven to fourteen days of sowing, by snipping them just above the soil line.