Lawn Tips
Trimmit Growth Regulator
Trimmit Growth Regulator
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Hedge Growth Regulator Australia
TRIMMIT is a systemic plant growth regulator designed to slow excessive hedge growth and reduce maintenance once your hedge has reached its ideal size.
Active constituent 250 g/L Paclobutrazol
What It Does
• Reduces hedge growth by up to 70 percent
• Shortens internode length for tighter, denser growth
• Encourages earlier terminal bud formation
• Maintains shape and uniformity
• Reduces trimming frequency
• Ideal for ongoing hedge maintenance
This is for maintaining finished hedges, not shaping young plants.
Suitable For
• Golden Duranta
• Photinia
• Syzygium
• Box
• Viburnum
• Mock Orange
• Star Jasmine
Do not apply to newly planted or stressed plants.
How To Apply
Root drench application
• 1.5 to 2.5 mL per plant in 1 litre of water for most listed species
• 0.5 to 1.5 mL per plant in 1 litre of water for Mock Orange
• Apply late winter to early spring at the start of seasonal growth
• Apply to soil at the base of the plant
• Remove mulch before application
• Light irrigation after treatment
Do not prune for 4 to 6 weeks after application.
Do not retreat within 12 months.