


Details
Fresh green nasturtium microgreens with large, round leaves and a sharp, peppery bite, ready in 14–17 days.
SPECIFICATION
Seed
| Common name | Green nasturtium microgreens (Alaskan Green) |
| Botanical name | Tropaeolum majus, dwarf type (also sold as T. nanum) |
| Seed type | Conventional, untreated, non-GMO |
| Seeds per gram | approx. 7.5–8.5 |
Growing
| Difficulty | Moderate — needs soaking, patience and good airflow |
| Growing medium | Potting soil or fine compost |
| Sowing rate | 180 g per 25 × 50 cm (1020) tray, range 150–200 g; about 14 g per 10 × 10 cm |
| Soaking | 6–8 hours in warm water, then drain and rinse |
| Blackout | 5–7 days, seeds covered with a thin layer of soil and a lightly weighted lid |
| Temperature | 18–22 °C |
| Harvest | 14–17 days after sowing, when the round leaves are fully open |
Taste and colour
| Flavour | Sharp, persistent peppery heat; juicy, crisp stems |
| Colour | Pale green to pinkish stems; large, round, fresh green leaves |
ABOUT
Alaskan Green is a compact garden nasturtium. Grown plants of the Alaska type are known for leaves marbled with cream, but as a microgreen, cut 14–17 days after sowing, it gives large, round, plain green leaves on pale green to pinkish stems. The leaves are shaped like small shields, with the stem attached in the middle.
The taste is the main reason to grow it: a sharp, peppery heat that builds slowly and lingers longer than radish. The name says as much. Pliny the Elder explained the Latin word nasturtium as ‘nose-torment’, after the sharp taste of cress, and old English books call the garden nasturtium ‘Indian cress’.
The seeds are big, about 7.5–8.5 to the gram, with a hard coat. Soak them, lay them out by hand in a single layer and cover them with a thin layer of soil, which keeps them moist and in close contact with the soil. The start is slow and uneven, so don't give up on a tray that still looks empty after a few days in the dark.
IN THE KITCHEN
Use Alaskan Green nasturtium raw and chop the larger leaves. It suits tacos and quesadillas, scrambled eggs and omelettes, potato and pasta salads, vinaigrettes and herb butter, and green sauces such as pesto or chimichurri, where it can replace part of the herbs and add heat. Keep the leaves dry in a closed box in the fridge and use them within about a week.
GROWING INSTRUCTIONS
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