Liquid Plant Food

Liquid Plant Food by TPS Plant Foods

All-purpose liquid plant food with a potassium-forward 4-3-6 NPK plus calcium, magnesium, and micronutrients. Feeds herbs, greens, vegetables, houseplants, and hydroponic systems through regular watering.

Why buy direct

More than a bottle on a shelf.

  • Talk to real plant people. Questions about your plants? Our team makes the formula and answers directly — you're not on your own.
  • Made in-house, in the USA. Every bottle mixed and filled by us, not a third party.
  • Backed by our Healthy Plants Guarantee. Feed it for 30 days — if you don't see healthier growth, we'll make it right.
  • Bundle savings you'll only find here. Pair it with any other TPS formula and ship free over $15.