Nasturtium microgreens seeds should be soaked for a few hours before planting. It helps water penetrate the large, hard seed husk.
You can grow these with the weighted and buried blackout method. We prefer the buried method as it keeps the larger seeds moist and is less prone to disease.
Nasturtium microgreen seeds germinate slowly but grow quite quickly after they germinate.
The stems of Empress of India Nasturtiums are a rosy pink and very attractive.
Nasturtium microgreens are ready to harvest in 10 to 14 days. You want two sets of leaves to form before harvest.
The flavor is unique, changing from a sweet, salty, fruity flavor finishing with a very sharp bite. It surprised me the first time I ate nasturtium microgreens.
Although I call these nasturtium microgreens, they grow to what I call baby leaf size before harvest.
Nasturtium Microgreen Seeds Package Sizes
- In a packet perfect for a Home Microgreen tray at 13.6-grams,
- also, by the ounce,
- and in 4-ounce bags.
How Much Seed Do You Need For Your Tray?
You don’t need to worry about how much seed you need if you use Home Microgreen planting trays or 1010 trays. Each seed packet has the correct number of seeds for a perfect tray of nasturtium microgreens (coming soon).
The seeding area of a Home Microgreen Tray is 37.5 square inches.
However, if you’re using a different planting tray, use the calculator in the article below to figure out how much seed you need.
Click this link to use the calculator: Home Microgreens Seed Density Calculator.