How to Master Hedge Maintenance with Trimmit Growth Regulator

plant fertiliser

Written by Ian Thompson

Ian holds a Masters in Turf Management from Sydney University, has over 20 years experience working as a golf course Superintendent, turf manager, product formulation and development. We call him our resident Lawn genius.

Maintaining beautiful, uniform hedges and ground covers can be a time-consuming task. Whether you’re managing residential gardens or large commercial landscapes, frequent trimming and upkeep can eat up hours of labor. This is where Trimmit Growth Regulator comes into play. Designed specifically to reduce excessive hedge growth, Trimmit is a game-changer for anyone looking to streamline their hedge care routine while keeping plants healthy and visually appealing.

In this blog, we’ll dive into what Trimmit is, how it works, how to use it, and the key benefits it offers to gardeners and landscape professionals.

What is Trimmit Growth Regulator?

Trimmit is a powerful growth regulator designed to control the vertical growth of certain hedging and ground cover species. Its active ingredient, Paclobutrazol (250 g/L), works by inhibiting the production of gibberellic acid, a plant hormone responsible for shoot elongation. By slowing this growth process, Trimmit helps maintain the shape and size of plants, reducing the need for frequent trimming and encouraging denser, healthier foliage.

Trimmit is specifically formulated for species like Golden Duranta, Small Leaf Photinia, Syzygium, Box, Viburnum, Mock Orange, and ground covers like Star Jasmine. When used properly, Trimmit can reduce plant growth by up to 70%, meaning fewer hours spent trimming and a more polished appearance overall.

 

How Does Trimmit Work?

Trimmit is a systemic growth regulator, meaning it is absorbed through the plant’s root system and distributed throughout the plant. Once absorbed, it slows down shoot growth by limiting the production of gibberellic acid, the hormone responsible for cell elongation and vertical growth. As a result, the plant directs its energy toward producing more compact, lateral growth, leading to fuller, denser hedges with less maintenance.

While the product significantly reduces the frequency of trimming, it also promotes other positive changes in the plant’s physiology. Plants treated with Trimmit often exhibit a deeper green colour and enhanced drought tolerance, leading to healthier, more robust plants that require less water and general upkeep.

How to Use Trimmit Effectively

Using Trimmit is straightforward, but following the correct procedure is essential to ensure maximum effectiveness:

Apply at the Right Time: The ideal time to apply Trimmit is in late winter or early spring, when new growth is starting. It’s recommended to lightly prune your hedges before application to tidy up the shape.
Root Drench Method: Trimmit is applied as a root drench, meaning it’s delivered to the plant’s roots where it’s absorbed. Mix the appropriate amount of Trimmit in 1 liter of water per plant. The exact amount varies, typically between 0.5 mL and 2.5 mL per plant depending on the species and your experience with the product.
Irrigation is Key: After applying the Trimmit solution, it’s important to water the plants lightly to help the product penetrate the soil and reach the roots. This ensures the product is absorbed effectively, leading to optimal growth regulation.
Avoid Stress: Trimmit should only be applied to healthy plants that are not experiencing stress from drought, extreme temperatures, nutrient deficiencies, or pest problems. Stressed plants may not respond well to the product and could experience unwanted side effects.
One Application per Year: In most cases, one application per year is sufficient to maintain hedge growth suppression for 12 months. Some plants may require a follow-up treatment after normal growth resumes, but typically, Trimmit provides lasting effects throughout the growing season.

Benefits of Using Trimmit

The benefits of Trimmit go beyond just reducing trimming frequency. Here are some of the top advantages you can expect:

Reduced Maintenance: Trimmit can reduce the need for trimming by up to 70%, saving significant time and labour. Instead of needing to trim every few weeks, you may only need to do one or two trims per year.
Less Green Waste: With fewer trims, you’ll generate less green waste, which means less effort in cleaning up and disposing of clippings. This makes hedge maintenance more efficient and environmentally friendly.
Enhanced Plant Health: In addition to controlling growth, Trimmit improves drought tolerance, helping plants conserve water during dry periods. This leads to healthier, more resilient plants that require less watering and general care.
Aesthetic Improvements: Plants treated with Trimmit develop a deeper green colour, denser foliage, and an overall more polished look. The product enhances the uniformity and structure of hedges, creating a professional finish with minimal effort.
Improved Safety: By reducing the frequency of trimming, Trimmit minimizes the need for risky activities like using trimmers on ladders. This makes hedge maintenance safer, especially for commercial landscapers working on large or tall hedges.

Conclusion

If you’re looking for a way to maintain beautiful, uniform hedges without the constant need for trimming, Trimmit Growth Regulator offers an effective solution. With its ability to slow vertical growth, promote healthier plants, and reduce maintenance needs, Trimmit is a valuable tool for both home gardeners and landscape professionals. Follow the recommended usage guidelines, and you’ll enjoy the benefits of lush, well-maintained hedges with a fraction of the effort.

 

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