Grodan Delta 15cm x 15cm x 15cm Rockwool Blocks - Propagation & Seed Starting Cleistocactus High-yielding

High-yielding

Pack of 3 Trays 15cm x 20cm x 6cm

Vaginata has stunning yellow flowers with black markings

is a curious

This variant has yellow flowers in clusters on shorter peduncles

Grodan Delta 15cm x 15cm x 15cm Rockwool Blocks - Propagation & Seed Starting Cleistocactus High-yieldingThe rockwool blocks are designed for starting seeds clones and growing from start to finish. These are one of the biggest rockwool blocks on the market bought to you by Grodan, the world leaders in rockwool technology.. Rockwool Block Size : 15cm x 15cm x 15cm. About rockwool plugs. Designed to facilitate the propagation of plants. Holds the optimum amount of water and oxygen. The plug is designed for single use and is not recommended to be used