Indoor Gardening Supplies: What You Actually Need to Grow Plants Indoors

Dec 16, 2025

Indoor gardening has exploded in popularity — and for good reason. You don’t need a backyard, perfect weather, or years of experience to grow plants at home anymore. With the right indoor gardening supplies, almost anyone can grow herbs, greens, or even small vegetables indoors.

But here’s the problem most beginners face:

👉 There are too many products, and it’s not always clear what’s actually necessary.

This guide breaks down the essential indoor gardening supplies you really need — especially if you’re short on space, time, or experience.

Woman examines the leaves of schefflera houseplant for pests and disease using magnifying glass

1. Grow Lights (The Most Important Supply)
If there’s one thing indoor gardeners underestimate, it’s light.

Most homes simply don’t get enough sunlight for healthy plant growth — especially in winter. That’s where LED grow lights come in.

Why LED grow lights matter:
Provide consistent light year-round
Mimic natural sunlight
Prevent weak, leggy plants
Allow you to grow anywhere (even windowless rooms)

Check out Grow Lights on Amazon

💡 Tip: Look for “full-spectrum” LEDs — they work for most herbs and greens.

2. Watering & Irrigation Supplies
Overwatering is one of the most common mistakes in indoor gardening.

Simple tools can prevent root rot and stress:
Watering cans with narrow spouts
Self-watering pots
Moisture meters
Hydroponic water reservoirs

If you’re growing hydroponically, water management becomes even more important — but also easier to control.

Check out Watering & Irrigation Supplies on Amazon

3. Growing Mediums (Soil or Soil-Free)
Not all indoor plants grow best in regular potting soil.

Depending on your setup, you might use:
Organic potting soil
Coco coir
Clay pebbles
Rockwool cubes
Hydroponic systems often skip soil entirely and rely on water-based nutrients instead.

Choosing the right medium makes plants healthier and reduces pests.

Check out Growing Mediums on Amazon

4. Nutrients & Fertilizers
Indoor plants don’t have access to natural soil ecosystems, so nutrients matter more than people realize.

Plants need:
Nitrogen
Phosphorus
Potassium
Micronutrients

Indoor gardeners often use:
Liquid fertilizers
Hydroponic nutrient solutions
Organic plant food

Less is more here — overfeeding is worse than underfeeding.

Check out Nutrients & Fertilizers on Amazon

5. Containers, Pots & Support Gear
Good containers help regulate:
drainage
airflow
root health

Helpful indoor gardening supplies include:
Pots with drainage holes
Net pots (for hydroponics)
Plant trays
Small trellises or plant supports

These items seem simple, but they make maintenance much easier.

Check out Indoor Plant Pots on Amazon

6. Climate & Monitoring Tools
Plants respond quickly to temperature and humidity.

Helpful tools:
Thermometers
Hygrometers
Small fans for airflow
Timers for lights

These supplies help create a stable growing environment — especially in apartments.

Check out Climate & Monitoring Tools on Amazon

Final Thoughts: Start Simple, Upgrade Slowly
You don’t need to buy everything at once.

For most beginners, the core indoor gardening supplies are:
A grow light
Proper containers
A good growing medium
Basic nutrients

Once you see plants thriving, you can slowly expand your setup.

Indoor gardening doesn’t have to be complicated — the right supplies simply make it easier and more enjoyable.

Partial shot of florist taking citrus bonsai tree from shelf in greenhouse

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Check out our Beginner's Guide
Looking for Beginner Indoor Growing Kits?
Check out Click & Grow Smart Gardens