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Kale care guide

Kale (Brassica oleracea var. sabellica) is a foliage plant that likes very bright light or direct sun and water every 5 days. Here is everything you need to keep it healthy.

Botanical nameBrassica oleracea var. sabellica
Also known asCurly Kale, Leaf Kale
Plant typeFoliage plant
LightVery bright light or direct sun
WateringWater every 5 days
FertilizingFeed every two weeks in the growing season
GrownIndoor or outdoor
Type of plantEdible

How often to water Kale

Water Kale every 5 days as a baseline. Treat that as a reminder to check rather than a rule to follow blindly — push a finger an inch or two into the soil and water only if it feels dry at that depth.

Expect to water more often in warm, bright, or dry conditions, and noticeably less in winter when growth slows. A pot with drainage holes matters more than the exact interval: standing water is the most common way houseplants are lost.

Light requirements

Kale prefers very bright light or direct sun. It needs as much light as you can give it, including several hours of direct sun. A south-facing windowsill or a sunny patio is ideal.

If growth becomes stretched and leggy with long gaps between leaves, it is reaching for more light. Pale or bleached patches usually mean the opposite — too much direct sun.

Feeding and fertilizer

Feed Kale every two weeks through the growing season using a balanced liquid fertilizer at half the strength on the label. Pause over winter — an unfed plant recovers far more easily than one with fertilizer burn.

Care notes

Cold-hardy and productive. Check soil every few days; harvest outer leaves regularly to keep new growth coming.

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Frequently asked questions

How often should you water Kale?

As a starting point, water Kale every 5 days, then adjust to your own conditions. Check the soil first: push a finger an inch or two down and only water if it feels dry at that depth. Most Kale problems come from watering on a fixed schedule rather than watering when the plant actually needs it.

How much light does Kale need?

Kale prefers very bright light or direct sun. It needs as much light as you can give it, including several hours of direct sun. A south-facing windowsill or a sunny patio is ideal.

Should you fertilize Kale?

Feed Kale every two weeks during the active growing season (roughly spring through early autumn) with a balanced liquid fertilizer at half strength. Stop feeding in winter, when growth slows and unused nutrients build up in the soil.

Is Kale an indoor or outdoor plant?

Kale can be grown indoors or outdoors. Outdoors it will usually grow faster and need watering more often; indoors it needs the brightest spot you can offer.

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