For Top Dressing,
In Humidity Trays
or, to improve drainage in Soil Mixes
3/8 inch - 1/8 inch Cascade Mountain River Rock Stone Pebbles - Washed...no fines. Majority of pebbles are 1/4 - 1/8 inch. Available in 15 oz., 10 cups, 5 quarts, and 3.5 gallons.
In Humidity Trays will hold your plants out of the water, but add needed humidity.
For improving drainage in a soil mix, since the pebbles are smooth and hard it does not hold water as lava or pumice does. For soil mixes that dry quickly add 50% to your soil mixes, ideal for Succulents that need to dry quickly. Or add 20% to improve drainage in any mix.
We are a commercial Wholesale / Retail Plant Nursery with over 25 years mixing specialty potting mixes. Check out our other listings of custom potting mixes to select the perfect mix for your plants.