A high quality, permanent, sterile additive with many uses. See the detailed description.
Vermiculite is the mineral Mica, super-heated to expand much like a accordion. This mineral is often used in soil mixes to increase water holding. Many growers use vermiculite in their flats in order to create a micro environment that will protect seeds from air currents and insulate the seeds to provide uniform germination temperatures.
Ferti-lome Horticultural Vermiculite:
Is a high quality, permanent additive
Light in weight
Easy to handle
Easily mixes with potting mix or soil
Promotes faster root growth
Provides quick anchorage for young plants
Many commercial growers use vermiculite to cover sown seeds. Since water and relative humidity play an important role in the germination process, seed planted with vermiculite will be protected against fast drying conditions.
When mixed with soil or soilless media, vermiculite promotes aeration helping young plants to take hold easily. Seedlings will also be easier to remove with less danger of breaking off hair roots. Its high water retention will also decrease the irrigation frequency by naturally regulating water availability in the seed tray.
Professional nurserymen use vermiculite for the insertion of cuttings. Use directly as poured from the bag, water thoroughly and insert cuttings.
Where native soil is heavy (clay), mixing vermiculite is recommended to increase air space. Where the soil is sandy, mixing vermiculite is also recommended, Its water retention allows the amended soil to hold more water, decreases drought stress, and maintains vigorous plant growth.
Storing bulbs and root crops:
Always allow moist bulbs to dry a few hours and then place in cartons and cover with vermiculite to absorb any excess moisture. Since it absorbs moisture, vermiculite helps protect your bulbs against mildew. The insulating properties protects your bulbs from temperature changes.