How to Make a Good Potting Mix for Pots (Gamle ki Mitti)
A good all-purpose potting mix is about 40% garden soil, 30% vermicompost (or well-rotted compost) and 30% cocopeat. It holds moisture, drains well and feeds the plant. Add coarse sand for succulents and more soil and compost for fruit plants in large pots.
Why plain garden soil is not enough
Garden soil alone packs hard in a pot, drains poorly and cracks in summer. Roots then either rot or dry out. Mixing in compost adds nutrients, and cocopeat keeps the mix light and moist.
All-purpose recipe
- 4 parts garden soil (sieved, without stones or weed roots)
- 3 parts vermicompost or well-rotted cow-dung compost
- 3 parts cocopeat (soak the block in water first, then squeeze out excess water)
- Optional: a handful of neem cake per pot to discourage soil pests
Mix everything well while it is just slightly moist.
Variations
- Succulents and jade plant: 2 parts soil, 1 part compost, 2 parts coarse sand or perlite.
- Fruit plants in large pots (lemon, guava, pomegranate): 5 parts soil, 3 parts compost, 2 parts cocopeat; use a pot of at least 18-20 inches.
- Indoor foliage plants (money plant, Monstera, peace lily): 3 parts soil, 3 parts cocopeat, 3 parts compost, 1 part perlite.
Choosing the pot
Every pot needs a drainage hole. Terracotta pots breathe and stay cooler in summer, which suits UP's heat, but dry out faster. Ceramic and plastic pots hold moisture longer and suit indoor plants. Put a few pieces of broken pot over the hole so the mix does not wash out.
Refreshing old potting mix
Old mix loses nutrients. Every 6-12 months, scrape off the top few centimetres and add fresh vermicompost, or repot the plant with new mix in spring or the monsoon.
Frequently asked questions
What is the best soil mix for pots in India?
About 40% garden soil, 30% vermicompost and 30% cocopeat works for most plants.
Can I use only cocopeat in pots?
Not on its own. Cocopeat holds water but has almost no nutrients, so mix it with soil and compost.
How much vermicompost should I add to a pot?
In a new mix, about a third of the volume. For established plants, add a 2-3 cm layer on top every 1-2 months in the growing season.
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