lilly pilly โ€‹

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How Tall Do Lilly Pillies Grow?

Lilly Pilly (Syzygium species) is an adaptable Australian hedge plant that comes in many different varieties. Depending on the cultivar, Lilly Pilly can grow anywhere from 1 metre to over 10 metres tall. This makes it suitable for both compact hedges and tall privacy screens.

Typical Heights by Variety

  • Dwarf Lilly Pilly: 1โ€“2m, ideal for low borders and small hedges.
  • Medium varieties: 3โ€“5m, common in suburban gardens for privacy screening.
  • Tall screening types: 6โ€“10m, fast-growing for large hedges and boundary planting.

Most commonly planted varieties used for hedging in Australia grow to 3โ€“5m if left unpruned, but with regular trimming, they can easily be maintained at your desired height.

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Controlling the Height of Lilly Pilly Hedges

Lilly Pilly grows quickly, but you can control its ultimate height with pruning and care. Hereโ€™s how:

Pruning

  • Trim lightly 3โ€“4 times per year to maintain a set hedge height.
  • Hard prune in early spring if hedges become too tall or woody.
  • Pruning encourages thicker growth at the base, preventing tall, leggy plants.

Spacing & Variety Choice

  • Choose a dwarf variety if you want a low-maintenance hedge under 2m.
  • For privacy screens, select fast-growing medium or tall types that can reach 5โ€“10m.
  • Proper spacing (50โ€“100cm) ensures plants grow evenly and donโ€™t outcompete each other for light.

Feeding for Controlled Growth

Feeding Lilly Pilly with CompleteGrow All Purpose NPK 20-20-20 keeps growth strong but manageable. Fertilise every 6โ€“8 weeks in-ground, or every 2โ€“4 weeks for potted plants, to maintain healthy height without stressing the plant.

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FAQs on Lilly Pilly Height

Q: How tall do Lilly Pilly hedges grow without pruning?
A: Many varieties reach 3โ€“5m naturally, while taller types can exceed 8m if left untrimmed.

Q: Can I keep Lilly Pilly short?
A: Yes. With regular pruning, even tall-growing varieties can be maintained at 1โ€“2m for compact hedges.

Q: Which is the best Lilly Pilly for a tall privacy screen?
A: Varieties like Syzygium australe can grow 6โ€“8m tall, making them perfect for boundary hedging.

Q: Which Lilly Pilly is best for small hedges?
A: Dwarf forms such as โ€œMiniโ€ or โ€œResilienceโ€ are ideal for low hedges, growing 1โ€“2m tall.

Q: Does fertiliser make Lilly Pilly grow taller?
A: Fertiliser like CompleteGrow NPK 20-20-20 promotes healthy, consistent growth but pruning will always determine the final hedge height.

Final Tip

Lilly Pilly hedges are adaptable to almost any height. Choose the right variety for your needs, prune regularly, and feed with CompleteGrow All Purpose NPK 20-20-20 to maintain a healthy hedge at your desired size.

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