Potting Soil – How to Choose the Right Substrate for Your Plants

Understanding pH levels and substrate structure

The pH value of substrate directly affects nutrient availability to plants. Most ornamental plants prefer slightly acidic soil (pH 5.5-6.5), while Mediterranean species like citrus require more specific conditions – for these you can use Liquid mineral fertilizer for citrus 250 ml SC708 with appropriate substrate. Good soil must be loose and permeable, with optimal content of peat, humus and sand.

Coco fiber as an alternative to traditional peat substrate

Coconut fiber-based substrates are a more eco-friendly option than peat and retain moisture excellently without waterlogging. Products like Coco discs for sowing 35x8mm - 20pcs. FLORIS are ideal for seed starting and plant propagation as they provide controlled hydration and excellent root aeration. Before use, coco discs need to be soaked in water to expand.

Specialized substrates for different plant types

Cacti and succulents require extremely well-draining soil with high sand and perlite content, while orchids grow in bark and sphagnum-based media. Vegetable crops and flowering plants prefer richer mixes with additions like compost. Brands such as SUBSTRAL and KLASMANN offer substrates tailored to specific plant groups with recommended supplementary feeding.

Substrate quality – what to check before buying

Reputable manufacturers guarantee controlled production free from pathogens and weeds. Soil that smells like fresh forest humus is a sign of quality, while unpleasant odor indicates decomposition or presence of unwanted microorganisms. Brands like EKOSAN and AGROMARKET offer certified substrates with stated composition and expiration dates – fresh substrate has better structure than old stock that has been losing moisture in storage.

When and how to supplement substrate with nutrients

Most ready-made substrates contain fertilizer that feeds plants for the first 4-6 weeks. After that, adding mineral or organic nutrients becomes necessary, especially during intensive growth or flowering. For container gardening, combining quality base substrate with regular liquid fertilizer feeding during the growing season is recommended.

Selection and Pricing

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