Kale Grow Guide

Hardy, productive greens—great for smoothies, sautés, and repeated harvests.


Germination

5–10 days

Harvest

~55–70 days to full harvest; pick leaves as they size up

Temp

60–75°F (16–24°C)

Light

Bright light 6–8 hrs/day


Quick Start (30 sec)

Kale loves steady light and consistent moisture—don’t let it swing dry/wet.

Sow

Plant seeds about 2× the seed’s thickness.

Water

Keep soil evenly moist (not soggy).

Light

Bright light 6–8 hrs/day.

Thin

Give space for thicker stems and bigger leaves.


Common mistakes

Not enough light

add grow light / brighter window.

Overwatering

let the top layer dry slightly between waterings.

Harvesting too early/heavily

take outer leaves, leave the center.


Use ideas(Food)

Smoothie tip: Harvest young leaves for a milder taste.
Cooking tip: Massage leaves with oil + salt before salads for softer texture.

Ready to grow the full kit?

Get the 6-Pack.

Free shipping on 2+ kits.

Heirloom · open-pollinated · batch-tested for germination

FAQs

How long does kale take to sprout?

Commonly 5–10 days in warm, consistently moist soil.

Why are my kale seedlings stretching?

They need stronger light. Increase light intensity and reduce distance to the source.

How do I harvest kale for continuous regrowth?

Pick outer leaves first and keep the center growing point intact.

Need help with kale?

Tell us your setup (light hours + watering + temp) and what you’re seeing. We reply within 24 hours.

Prev: Lettuce

Next: Arugula