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Soil Care Kit

Soil Care Kit

Soil Care Kit Care & Information

Save when you buy a kit! Try our new Soil Care Kit to take your plant care to the next level. Kit includes one 8 fl oz bottle of fertilizer (9-3-6 NPK ratio), one 3-in-1 Moisture Meter (tests moisture, pH value, and light level), and a medium bag of our signature potting mix.

  • Potting mix ingredients: coir, compost, aged pine bark, rice hulls, earthworm castings
  • Potting mix net volume: 100 oz
  • Fertilizer: all-natural, 9-3-6 NPK ratio, 8 fl oz (approximately 40 applications), made in the USA

Why Choose The Sill?

30 Day Guarantee

Your plants will arrive in happy, healthy condition—guaranteed. If not, we replace them for free. Learn more about our guarantee.

Fast, Free Shipping

We offer free standard shipping on all orders $79+. Orders under $79 ship for a flat $15 fee. View our full shipping policy.

Plant Care Workshops & Events

The Sill offers a variety of plant care workshops for beginners, experts, & everyone in between! No questions too small or too silly! View upcoming schedule.

Virtual Plant Appointments

Chat directly via video with a knowledgeable houseplant expert from The Sill team about plant-specific care, repotting tips and tricks, pest identification, and more. Schedule an appointment today.

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