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Herbs and Leafy Greens Plant Food

Plant food for herbs and leafy greens — nitrogen-forward for fresh, flavorful leaves. Feed basil, lettuce, and kitchen gardens.

4.6 · 1,600+ reviews on Amazon
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Works for herbs and leafy greens

  • basil
  • parsley
  • cilantro
  • mint
  • lettuce
  • spinach
  • kale
  • arugula

Signs your plant needs this

  • Pale, washed-out leaves on basil, parsley or lettuce
  • Slow to fill back in after cutting for the kitchen
  • Thin, leggy plants instead of bushy handfuls of leaves
  • Container herbs that stall out a few weeks after planting

Results you can see

Supports vibrant, leafy growth for healthy, flavorful herbs and greens.

Supports vibrant, leafy growth for healthy, flavorful herbs and greens.

Helps encourage consistent leaf and stem development for thriving plants.

Helps encourage consistent leaf and stem development for thriving plants.

Supports healthy root development for better water and nutrient uptake.

Supports healthy root development for better water and nutrient uptake.

How to use

  1. Watering can

    1 tsp per quart (32 oz) of water

    Spring & summer: every 1–2 weeks · Fall & winter: every 2–4 weeks

  2. Leaf misting (optional)

    1/2 tsp per pint (16 oz) of water

    Spray on leaves every 1-2 weeks

Frequently asked questions

How often should I feed herbs and leafy greens?

Herbs and Leafy Greens Plant Food is built for steady, light feeding, because plants you cut from continuously need readily available nitrogen to rebuild leaf tissue after every harvest. Mix 1 teaspoon per quart of water and apply every 1–2 weeks in spring and summer, easing to every 2–4 weeks in fall and winter. An optional leaf misting at half a teaspoon per pint every 1–2 weeks adds to it. Mix it into your normal watering; potted herbs, which lose nutrients each time they’re watered, benefit most from this consistent schedule.

Is this safe to use on herbs I'm going to eat?

Yes. Herbs and Leafy Greens Plant Food is a plant nutrient made for edible herbs and greens, and the minerals it supplies, nitrogen, potassium, calcium, magnesium and iron among them, are the same ones plants take up from any garden soil. Mix it at 1 teaspoon per quart, avoid contact with skin and eyes while mixing, and rinse harvested leaves before eating as you normally would. It’s meant to be taken up by the plant, not consumed directly from the bottle by people or animals.

Why is my basil flowering or bolting?

Heat and long days trigger bolting, not nutrition; fertilizer isn’t causing it and won’t stop it. Pinch off flower spikes as soon as they appear and harvest regularly to keep the plant producing leaves rather than seed. Where Herbs and Leafy Greens Plant Food helps is afterward: its nitrogen-forward 3-1-2 formula gives basil the readily available nitrogen it needs to regrow quickly after each pinch, so the plant stays full. Once summer heat sets in, some bolting is simply normal for basil.

Why are my herbs leggy and stretched out?

Legginess is almost always a light problem rather than a feeding problem. Herbs stretching toward a window need brighter conditions; most want direct or bright indirect light. Fertilizer can’t compensate for low light, and pushing nitrogen on a light-starved plant makes the stretching worse. Move the plant into more light and pinch it back first. Then Herbs and Leafy Greens Plant Food does its part, supplying the nitrogen that supports full, bushy regrowth from the cuts, with potassium to keep the new stems sturdy.

Will fertilizer make my herbs taste better?

Indirectly. Flavor is strongest in healthy new growth, and old, starved leaves taste flat, so the steady feeding Herbs and Leafy Greens Plant Food provides keeps herbs producing the fresh leaves worth harvesting. Heavier feeding doesn’t add flavor, though: overfeeding pushes fast, watery growth that dilutes the concentrated oils that make basil or rosemary taste like themselves. That’s why the formula is a moderate 3-1-2 at 1 teaspoon per quart. Keep to that rate and harvest often; the combination does more for flavor than a stronger mix.

When will I see results?

Quickly, on fast growers. Most of the nitrogen in Herbs and Leafy Greens Plant Food is nitrate, which roots absorb directly, so it starts working with the first watering. Expect visibly greener leaves within 1–2 weeks and noticeably faster regrowth after harvesting within 2–4 weeks of regular feeding, with the iron and magnesium supporting the deep green color potted herbs lose first. Basil and mint respond soonest; woody herbs such as rosemary and thyme grow slowly by nature and take longer to show the difference.

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Herbs and Leafy Greens Plant Food $11.99