Season: Cool season. Arugula tends to bolt in hot weather.
Exposure: Full sun to partial shade.
Zone: Hardy in all zones.
Direct sow every 3 weeks from mid-March to April and again in September for a fall/winter crop. Optimal soil temperature: 4-12°C (40-50°F).
Sow no more than 5mm (¼”) deep in well drained soil in full sun. Thin seedlings to 10-15cm (4-6″) apart in rows 45-60cm (18-24″) apart. Overcrowded plants will bolt earlier. Seeds germinate in 4-8 days.
Ideal pH: 6.5-7.0. keep moist until germinated and then just keep the area weeded.
Use as a cut & come again crop, harvesting with scissors. Baby leaves are mild and tender.
In optimum conditions at least 75% of seeds will germinate. Usual seed life: 3 years. Per 100′ row: 1.2M seeds, per acre: 348M seeds.
Flea beetles will cause numerous tiny holes in the leaves. If these appear, try planting a couple of weeks later next year, to avoid their laying cycle. Or plant under lightweight row cover.
Packet contains 20 seeds