Soil Types & Growing Media

Care Guide:

Understanding What Your Plants Grow In

Healthy plants start below the surface. Different plants evolved in different environments, and their root systems depend on soil that matches those conditions. This guide introduces the most common soil types and blends used for houseplants, along with the plant groups they support best.

*All-Purpose Potting Mix

Best for:
Pothos, Philodendron, Monstera, Peace Lily, Spider Plant, most tropical houseplants

Description:
A balanced, lightweight mix designed for general use. Holds moisture while still allowing airflow to roots.

Typical Components:

  • Peat moss or coco coir

  • Perlite or pumice

  • Compost or organic matter

Why it works:
Good moisture retention + decent drainage = flexible and beginner-friendly.

*Aroid Mix (Chunky Tropical Blend)

Best for:
Monstera, Philodendron, Anthurium, Alocasia, Syngonium

Description:
An airy, fast-draining blend that mimics the loose forest floor where many tropical plants grow.

Typical Components:

  • Orchid bark

  • Perlite or pumice

  • Coco coir or peat

  • Charcoal

Why it works:
Prevents root rot while allowing roots to breathe.

*Cactus & Succulent Mix

Best for:
Cactus, succulents, euphorbia, desert plants

Description:
Very fast-draining mix designed to dry quickly between waterings.

Typical Components:

  • Sand or grit

  • Perlite

  • Pumice

  • Low organic content

Why it works:
Prevents moisture from sitting around roots.

*Orchid Bark Mix

Best for:
Orchids, epiphytic plants, some aroids, hoya

Description:
Large, chunky pieces designed for plants that naturally grow attached to trees.

Typical Components:

  • Pine bark

  • Charcoal

  • Perlite

Why it works:
Maximum airflow and drainage.

*Peat Moss / Coco Coir

Best for:
Soil blends, seed starting, moisture-loving plants

Description:
Used as a base material in many mixes.

Differences:

  • Peat moss: Holds water well, acidic

  • Coco coir: More sustainable, neutral pH

Why it works:
Excellent moisture retention.

*Perlite

Best for:
Lightening any soil mix

Description:
White volcanic material that improves drainage and airflow.

Why it works:
Prevents compaction and soggy soil.

*Pumice

Best for:
Succulents, aroids, bonsai, tropicals

Description:
Porous volcanic rock that adds weight and aeration.

Why it works:
Better long-term structure than perlite.

*Horticultural Charcoal

Best for:
Terrariums, aroid mixes, orchids

Description:
Helps absorb impurities and improve drainage.

Why it works:
Keeps soil fresher over time.

*Worm Castings (Natural Fertilizer)

Best for:
All plants

Description:
Organic compost created by earthworms.

Why it works:
Adds gentle nutrients without burning roots.

*Example Blends (Simple Recipes)

Aroid Blend:

  • 40% orchid bark

  • 30% coco coir

  • 20% perlite or pumice

  • 10% charcoal

Succulent Blend:

  • 50% cactus mix

  • 25% pumice

  • 25% sand

General Houseplant Blend:

  • 60% potting mix

  • 20% perlite

  • 20% coco coir

In our workshops, we break down how to build custom soil blends based on plant type, environment, and watering habits. You’ll learn how to mix, adjust, and troubleshoot soil so your plants can thrive long-term.

Thank you for being part of Casa Verde.