The soil mixes stocked at Holland Horticulture are made up of different substances, some including bat guano and worm manure, to achieve certain properties. Also available, Vermiculite, Diahydro and Perlite are made from porous rock material giving excellent water retention. Diahydro has the added benefit of being rich in silica, which improves cell wall structure and defence against pests.
Premium Potting Soil & Potting Mixes for All Your Plants
Create fertile ground for healthy growth with our wide range of potting soil and potting mix solutions — expertly blended to suit indoor gardens, specialty plants, and everything in between. Whether you’re repotting houseplants, orchids, cacti, or bonsai, we have the ideal mix for your needs. ...
Specialty Soil Mixes for Every Plant Type
Each mix is formulated with quality ingredients and balanced nutrition to support root health, water management, and nutrient uptake.
Why Choose Our Soil Mixes?
Create fertile ground for healthy growth with our wide range of potting soil and potting mix solutions — expertly blended to suit indoor gardens, specialty plants, and everything in between. Whether you’re repotting houseplants, orchids, cacti, or bonsai, we have the ideal mix for your needs. ...
Specialty Soil Mixes for Every Plant Type
- Indoor plant soil mix – Light, well-drained blends designed to retain moisture for potted houseplants without waterlogging
- Orchid soil mix – Looser, airy substrates with bark, perlite, and coir to let roots breathe while maintaining stability
- Cactus plant soil mix – Fast-draining and coarse, perfect for succulents that dislike wet feet
- Bonsai soil mix – Structured blends with akadama, pumice, and grit for compact root systems and optimal drainage
Each mix is formulated with quality ingredients and balanced nutrition to support root health, water management, and nutrient uptake.
Why Choose Our Soil Mixes?
- Tailored to your plant type – Each mix is formulated with the right texture, pH, and drainage for specific species
- Ready-to-use blends – No need to DIY; just add your plant and you’re good to go
- Premium ingredients – Coir, bark, perlite, pumice, and organic compost for reliable structure and fertility
- Safe for indoor use – Sterile mixes with no weed seeds or pathogens