COMPO buying guide: which product for which plant?
With more than 150 COMPO products in this collection, the quickest way to choose is to start from your plant and your problem: potting soil when you repot or plant, fertiliser during the growing season and plant protection only when pests or weeds appear.
| Type | Best for | Form | Price from |
|---|---|---|---|
| COMPO SANA potting soil | Houseplants, palms, orchids, cacti, bonsai, balcony and terrace pots | Bagged soil, 5–40 L | €6.95 |
| COMPO BIO and Organic & Recycled soil | Organic or peat-free gardening, new plantings | Bagged soil and soil improver, 20–40 L | €9.95 |
| Liquid fertiliser, plant cures and fertiliser sticks | Houseplants, orchids, container plants | Liquid, doses, sticks | €7.06 |
| Granular fertiliser | Garden plants, tomatoes, hydrangeas, lawns | Granules | €9.45 |
| Pest control (Karate Garden, BIO Insect Stop, Mirazyl, Anti-Snail, Barrière) | Aphids and other insects, ants, snails, mice | Concentrate, spray, granules, bait boxes | €6.55 |
| Weed and moss control | Weeds and moss on surfaces named on the label, lawns | Concentrate, ready-to-use spray, lawn granules | €16.50 |
Choosing the right COMPO potting soil
COMPO SANA offers specialist soils matched to specific plants: Orchid potting soil (5 L), Cactus and Succulents potting soil (5 L), Bonsai Potting Soil (5 L) and Potting Soil House Plants & Palms (10 L). For general repotting, COMPO SANA Universal Potting Soil comes in 10, 20, 25 and 40 L bags. The versions marked "approx. 50% lighter" are handy for balcony boxes, roof terraces and large pots that need to stay movable. If you prefer organic soil, choose COMPO BIO Universal Potting Soil Peat-Free 35 L or COMPO Organic & Recycled Universal Potting Soil 20 L.
- Orchids need an airy, coarse mix, so do not pot them in universal soil.
- Cacti and succulents need free-draining soil that dries out quickly between waterings.
- Fresh potting soil usually contains enough nutrients for the first weeks, so wait a while before you start feeding.
Fertiliser: liquid, sticks or granules?
Liquid fertilisers such as COMPO Liquid Fertilizer House Plants & Palms 1 L and Liquid Fertilizer Orchids 500 ml are mixed into the watering can, so you can adjust the dose to the season. Fertiliser sticks such as COMPO Fertilizer Bars Pink Grains (30 pieces) and Fertiliser Bars Orchids (20 pieces) are pushed into the soil and release nutrients gradually. In the garden, granular fertilisers such as COMPO Universal Fertilizer Blue Novatec 2 kg, Pink Grain Universal Fertilizer 1 kg and Tomato Fertilizer 850 g are spread around the plants and watered in.
- Feed houseplants mainly from spring to late summer, and reduce or stop feeding in winter.
- COMPO Blue Maker Hydrangeas helps keep or turn suitable hydrangeas blue; white varieties do not change colour.
Organic gardening with COMPO BIO
For vegetable beds, borders and new plantings, the COMPO BIO range offers organic options: COMPO BIO Cow Manure (15 L), COMPO BIO Granuplant (10 L), Compo Bio Soil Enhancer for New Plantings (40 L) and COMPO BIO Nettle Liquid Manure (1.5 L). Work manure and soil improver into the top layer of soil before planting. Spread COMPO Wood chips (55 L) between shrubs as a mulch.
Plant protection, weed control and tree care
When pests appear, choose a product that names your problem on the label. Karate Garden comes as a 100 ml or 300 ml concentrate and as 750 ml ready-to-use sprays, including a version for vegetables and fruit. COMPO BIO Insect Stop Universal Concentrate is the alternative from the BIO range. Against ants there are Mirazyl granules, spray and bait boxes plus the Ant Lockbox; against snails, COMPO Bio Anti-Snail in 400 g, 1 kg and 4 kg. For weeds and moss, choose COMPO BIO Total Anti-Weed & Anti-Moss or Netosol Green Herbistop Ultra, while Floranid Lawn Fertilizer With Weed Control feeds the lawn and tackles weeds in one step. After pruning, seal larger cuts with Lacbalsam or Woundcover.
- Always read the label and product information before use, and check that the product is authorised in your country and for the surface you want to treat.
- Keep plant-protection products and mouse bait out of reach of children and pets.
- Use Barrière Radikal mouse bait only in its bait box or feeder.
Frequently asked questions
What products does COMPO offer for the garden and home?
In this collection, COMPO covers potting soil, fertiliser and plant protection. You will find COMPO SANA and COMPO BIO potting soils, liquid and granular fertilisers, fertiliser sticks, organic soil improvers such as cow manure, insect, ant and snail control, weed and moss killers, lawn products, wound sealants for trees and Barrière mouse bait.
What is the difference between COMPO SANA and COMPO BIO?
COMPO SANA is the potting soil range, with universal and specialist mixes for houseplants, orchids, cacti, bonsai and balcony plants. COMPO BIO groups the organically oriented products, such as peat-free universal potting soil, cow manure, nettle liquid manure, Bio Anti-Snail and BIO Insect Stop. Choose BIO if you prefer to garden with organic products.
Which COMPO soil and fertiliser should I use for cacti?
Pot cacti and succulents in COMPO SANA Cactus and Succulents potting soil, which is intended for plants that need a free-draining mix. Feed sparingly in spring and summer, for example with a low dose of liquid fertiliser for houseplants, and stop feeding in autumn and winter, when the plants are resting.
How often should I feed houseplants with COMPO liquid fertiliser?
During the growing season, from spring to late summer, most houseplants benefit from liquid fertiliser every one to two weeks, mixed into the watering can. Follow the dose stated on the bottle. In autumn and winter, feed less or not at all. For orchids, use the dedicated COMPO Liquid Fertilizer Orchids and follow its label.
How do I use COMPO plant-protection products responsibly?
Read the label and product information before use, and only use the product on the plants and against the pests it names. Keep plant-protection products and mouse bait out of reach of children and pets, do not spray in wind or rain, avoid flowering plants visited by bees and observe the waiting period before harvesting fruit and vegetables.