Soil amendments are ingredients used to adjust drainage, aeration, moisture retention, texture or mineral balance around plant roots. This collection includes coco peat, perlite, pumice, vermiculite, rice husk, cinder, coco chips, pine bark, sphagnum moss, charcoal, LECA, gypsum and dolomite.
Most amendments are not complete potting mixes or complete fertilizers. Choose them according to the plant, container, weather and problem you want to correct.
Choose Amendments
| Garden Need |
Suitable Choices |
Main Effect |
| Hold more moisture |
Coco peat and vermiculite |
Retain water within a mixture |
| Improve aeration |
Perlite, pumice and cinder |
Create spaces around roots |
| Add coarse structure |
Coco chips, pine bark and charcoal chips |
Keep chunky mixtures open |
| Support propagation |
Coco peat and sphagnum moss |
Hold moisture around young roots |
| Prepare succulent mixes |
Pumice, perlite and cinder |
Help excess water move through |
| Prepare aroid mixes |
Coco chips, pine bark and coarse pumice |
Provide a more open root area |
| Special growing systems |
LECA and clay balls |
Support roots with air and controlled moisture |
| Adjust mineral balance |
Gypsum and dolomite |
Supply selected minerals and affect soil differently |
Mix amendments by volume rather than weight. Perlite, pumice and coco peat have very different weights, so equal weights do not represent equal amounts inside a pot.
Coco Peat
Coco peat is made from fine coconut husk material. It holds moisture while keeping a potting mixture lighter than ordinary garden soil.
Compressed Coco Peat Blocks expand after water is added. Place the block in a container large enough for expansion, add water gradually and loosen the material as it softens.
The collection includes local and imported blocks that expand to approximately 60 to 70 litres. Actual expansion can vary with compression, moisture and the amount of material loosened after soaking.
Coco peat can form a major part of seed-starting and general potting mixtures, but it should not automatically be used alone for every plant. Mixing it with perlite, pumice, compost or other suitable ingredients helps balance moisture, air and nutrition.
Allow freshly expanded coco peat to drain before filling small seedling cells. A completely saturated mixture can remain too wet around fine seeds.
Perlite
Perlite is a very light, porous material used to increase air spaces and help water move through potting mixtures. It is commonly added to mixes for seedlings, indoor plants, flowers and vegetables grown in containers.
Small pieces distribute through fine and medium-textured mixes. The 100-litre Gulf Perlite bag suits gardeners preparing larger quantities of potting mixture.
Mix perlite throughout the root area. A thick layer placed only at the bottom of a pot does not correct a dense mixture above it.
Perlite is light enough to blow from exposed rooftop work areas or rise toward the surface after repeated watering. Mix it while slightly damp and work in a sheltered place when possible.
Wear a mask when handling dusty dry material and avoid pouring it from height. Lightly moistening it before mixing can reduce airborne dust.
Pumice
Pumice is a porous volcanic material that adds air spaces without breaking down quickly. It is heavier than perlite and stays more securely inside outdoor containers.
The collection includes washed Pumice Stone in 2 to 6mm, 8 to 12mm and 16 to 22mm sizes.
Fine 2 to 6mm pumice blends more evenly into mixtures for smaller pots and plants with finer roots. Medium 8 to 12mm pieces suit chunkier mixes, while large 16 to 22mm pieces are more appropriate for substantial containers, coarse-rooted plants and selected decorative uses.
Choose the particle size according to the roots and container. Large pieces can leave excessive gaps in a small nursery pot, while very fine material may not provide the open structure required by a large aroid or orchid.
Pumice does not supply complete plant nutrition. Add compost or fertilizer separately when the selected plant requires feeding.
Vermiculite
Vermiculite is a lightweight mineral amendment that holds moisture and nutrients within a growing mixture. It is useful when a mix dries too quickly or needs steady moisture around young roots.
It can be added to seed-starting blends and containers for plants that prefer even moisture. Use it more carefully with cacti, succulents and plants that dislike wet roots.
The collection includes smaller Gulf Vermiculite packs and a 100-litre bag for preparing larger batches.
Vermiculite and perlite may look similar from a distance, but they affect a mixture differently. Vermiculite increases moisture retention, while perlite is mainly selected to create air space and improve water movement.
Rice Husk
Rice Husk adds lightweight structure to potting mixtures. It can help reduce density when blended with coco peat, compost or garden soil.
Untreated Rice Husk gradually changes as it ages in the mixture. Roasted Rice Husk has been heat-treated and provides a darker, porous material for suitable potting blends.
Use clean horticultural material and mix it evenly. A loose layer on the surface can blow away from rooftop pots or move during heavy watering.
Rice husk should support the structure of a mixture rather than replace all moisture-holding and nutrient-containing ingredients.
Chunky Mixes
Coco Chips, Coco Husk Fibre, Pine Bark and Charcoal Chips create larger spaces within coarse potting mixtures. They are useful for plants with thicker roots that need more airflow than a fine mix can provide.
Coco Chips hold some moisture while maintaining their chunky shape. Coco Husk Fibre adds fibrous structure and can help bind loose ingredients together.
Pine Bark, also sold as Orchid Bark, suits orchids, aroids and other plants grown in open mixtures. Particle size should match the plant and pot.
Charcoal Chips can be included in selected orchid and aroid mixtures. They should be clean and intended for plant use. Ordinary barbecue charcoal may contain additives and should not be substituted.
Coarse ingredients eventually change through watering and natural breakdown. Check established plants during repotting and replace material that has become soft, compressed or badly decomposed.
Cinder
Washed Cinder is a heavier porous amendment used in fast-draining mixtures. It can suit cacti, succulents and outdoor containers where very light ingredients move easily.
Its weight can help stabilise pots exposed to rooftop wind. However, a container filled with a large proportion of cinder becomes considerably heavier and may be difficult to move.
Use washed material to reduce loose dust and fine particles. Select an amount that leaves enough moisture-holding material for the chosen plant and local weather.
Moss
Sphagnum Moss can hold substantial moisture while leaving air around roots when it is not tightly compressed. It is used for air layering, selected cuttings, orchids and other moisture-sensitive propagation work.
Moisten the moss before placing it around roots or a prepared branch. Squeeze out excess water so it remains damp without dripping continuously.
Do not pack it tightly inside a pot or propagation cup. Compressed moss loses much of the open structure that makes it useful.
Monitor it carefully during hot weather. The outside may appear dry while the centre remains moist, particularly inside closed propagation cups.
LECA Balls
LECA and clay balls are expanded clay materials with a porous surface. They can be used in semi-hydro growing systems, selected potting mixtures and decorative plant arrangements.
They do not provide complete nutrition. Plants grown mainly in LECA need an appropriate water and nutrient routine rather than ordinary soil care.
Rinse loose dust before use. If LECA is being reused, clean it thoroughly and avoid transferring material from plants affected by root disease.
Adding a layer of clay balls beneath dense soil does not make the upper soil drain properly. The pot still needs open drainage holes and a suitable mixture around the roots.
Gypsum
Gypsum Powder supplies calcium and sulphur. It can be used where these minerals are required and may help certain soils with specific structural or sodium-related problems.
Gypsum does not usually raise soil pH in the way dolomite can. It is also not a universal solution for every hard or clay-heavy soil.
Apply it according to the product directions and the actual condition of the soil. Adding repeated amounts without understanding the problem can disturb mineral balance.
Dolomite
Dolomite Powder supplies calcium and magnesium and can raise the pH of acidic soil. It should be selected when those effects are suitable for the plant and existing soil.
Acid-loving plants may respond poorly if dolomite raises the root-zone pH too far. Avoid adding it routinely to every potting mix.
Dolomite acts gradually. Mix it evenly before planting where possible and follow the stated quantity instead of placing concentrated powder against established roots.
Pakistan Use
In Lahore, Faisalabad, Multan and other hot, dry areas, coco peat and vermiculite can help mixtures retain moisture. Enough perlite, pumice or other coarse material is still needed to prevent the root area from remaining saturated after deep watering.
In Karachi, humid weather and monsoon rain make drainage and airflow especially important. Use open pots and avoid mixes containing excessive fine moisture-holding material.
On exposed rooftops, pumice and cinder remain more stable than very light perlite or loose rice husk. Check the total pot weight before using large amounts of heavy mineral material.
In Islamabad, Rawalpindi and colder northern areas, pots dry more slowly during winter. A mixture that works during summer may remain wet for much longer as temperatures fall.
Adjust the mixture to the plant and season rather than following one formula throughout Pakistan.
How to Mix
- Identify whether the mixture needs more moisture retention, drainage or coarse structure.
- Hydrate compressed coco peat and moisten dusty materials before measuring.
- Measure ingredients by volume using a dedicated scoop or container.
- Mix amendments evenly instead of creating separate layers inside the pot.
- Water a small test pot and check how quickly the mixture absorbs and releases moisture.
Prepare a small batch before mixing a large quantity. It is easier to adjust a test mixture than to empty several planted containers later.
Use a soil scoop or hand shovel when combining coarse ingredients. Wear gloves and avoid breathing dust from perlite, cinder, gypsum and dolomite.
Safe Storage
-
Coco peat: Keep unused blocks dry and above damp floors
-
Perlite: Seal bags to prevent dust and material loss
-
Pumice: Store particle sizes separately
-
Bark: Keep dry with some airflow
-
Moss: Protect unused material from moisture and contamination
-
Minerals: Retain the original labels and directions
-
Bulk bags: Close securely after removing the required amount
-
Children: Keep fine powders and small clay balls out of reach
Label any custom mixture with its ingredients and preparation date. Similar-looking bags can contain mixtures with very different drainage and moisture behaviour.
Browse the collection to buy soil amendments online in Pakistan for preparing seed-starting blends, indoor plant mixes, succulent soil, aroid mixes and outdoor containers.
Find More
Explore potting mixes for prepared growing blends or browse organic fertilizers for compost, plant meals and other natural nutrient sources.
You can also find NPK and micronutrients, soil and fertilizers, plastic pots and grow bags.
FAQs
Why does perlite rise to the top after watering?
Perlite is lighter than the other ingredients and can move upward as water rearranges the mixture. Water gently, avoid disturbing the surface and mix it evenly through slightly moist material when preparing the pot.
Can pumice, LECA or clay balls be reused?
They can often be reused after old roots and organic material are removed. Wash them thoroughly and disinfect where appropriate. Do not reuse material from a plant with serious root disease unless it can be cleaned safely.
How can I tell when a coco peat block is fully expanded?
A fully hydrated block should separate easily without a hard, dry centre. Add water gradually, turn the block and loosen compressed sections by hand before measuring the expanded material.
Why does a pumice-rich pot dry very quickly?
Pumice creates open spaces and holds less water than fine coco peat or vermiculite. The mixture may contain too much coarse material for the plant, pot size or local heat. Adjust the next batch and check moisture more frequently meanwhile.
Do unused soil amendments expire?
Mineral materials such as perlite and pumice remain usable when kept clean and dry. Bark, rice husk, coco material and moss can age, decompose or develop mould when stored damp. Inspect organic materials before use.
Sale
Sale
