Slow release fertilizers

SierraformGT Spring Start is the ideal granular fertilizer for the first application of the season, with iron and manganese to boost color and photosynthesis and low MU content for quick reactions to cold temperatures.

SierraformGT All Season is a balanced NPK fertilizer for use from spring to fall after aeration of turf to boost growth and post-stress recovery.

Sierraform® GT Anti-Stress helps your turf through stress and keeps it looking in peak condition. High potassium is perfect in the summer or autumn, in areas of fine turf. Slow-release nitrogen to support growth for 6 – 8 weeks and minimize growth surges. Its single-compound micro-granules feature our special patented MU2 and SilK coating technologies.

Sierraform GT CalMag is a zero-phosphate mini-granular fertilizer supplying calcium, magnesium, and trace elements for growth and all-round plant health – with SMX for extra rooting and turf stress management.

SierraformGT K-Step is an ideal pre-stress conditioner, with low nitrogen for compact growth and hardening, high potassium for stressful summer and winter growing conditions, and magnesium for turf color and to mask stress symptoms.

SierraformGT Momentum is especially effective in spring and summer and features a trace-element package promoting maximum health.

SierraformGT NK is a balanced NK fertilizer for fine turf between spring and summer that helps the build-up of phosphorus in your soil.

When you’re overseeding or laying new turf, there’s no better solution than Sierraform® GT Preseeder. It contains both slow-release nitrogen and slow-release potassium, along with conventional release NPK (18-22-5) in a single compound micro-granule. The high phosphorus analysis in Preseeder promotes good rooting and establishment on your greens, tees, fairways, and sports fields, while minimizing salt levels to boost germination rates. Its nutrient release pattern is tailored to the needs of new turf or seed.