Germination
7–10 days
Sprouts quickly with warmth and steady moisture.
Harvest
25–35 days
Harvest baby leaves early for best texture.
Temp
55–75°F (13–24°C)
Prefers cooler conditions over heat.
Light
Bright light, 6–8 hrs/day
Strong light helps keep growth compact.
Quick Start (30 seconds)
Keep it simple: steady moisture, bright light, and the right sowing depth.
Prep
Fill pots or trays with evenly moistened, loose seed-starting mix.
Sow
Sow seeds about 2× their thickness; shallow sowing works best.
Water
Keep the mix evenly moist throughout—damp, not dripping or soggy.
Light
Give 6–8 hours of bright light from sun or grow lights.
Thin
Thin seedlings early and keep the strongest after sprouting.
Tip: Warmth, bright light, and evenly moist seed-starting mix help most varieties sprout in about 7–10 days.
Common Mistakes
Keep the mix evenly moist throughout for steady germination.
Arugula prefers cooler temps and milder indoor conditions.
Thin seedlings early so leaves can size up properly.
Ready to grow the full kit?
Shop the full 6-Pack for Leaf Lettuce, Arugula, Kale, Basil, Mint, and Chives.
Heirloom · open-pollinated · batch-tested for germination
Frequently Asked Questions
Yes. It sprouts quickly and grows fast in cool, bright conditions.
In warm conditions, arugula often begins sprouting in about 7–10 days.
Yes. A bright window or simple grow light works well.
Harvest young leaves for a tender texture and milder bite.
Check moisture below the surface, crowding, and room temperature.