More than 1300 plants will be planted in a reserve beside Yarranabee Creek as part of the long-held Aussie tradition, with the aim of "fully restoring the local ecosystem".

Port Macquarie Landcare president Estelle Gough explained that a range of carefully selected tufted grass, shrubs and trees will be planted "to help make our green corridor greener".

"This is our opportunity to do something positive for our local environment and people of all ages are welcome to come along," she said.

"We're not just planting trees, but have chosen species such as lomandra grass, blue tongue shrubs and cabbage tree palms to help restore the local ecosystem."

The event, at Candelo Close/Braaemar Drive, near Hastings Public School, will start at 9am and finish at 12 noon with a free barbecue lunch.

Volunteers are asked to bring along a water bottle, closed-in shoes, gloves, a hat and long sleeve clothing.

Mrs Gough said Port Macquarie Landcare would provide all the tool and equipment required.

More than one million native trees, shrubs and grasses will be planted across Australia this weekend at more than 4000 National Tree Day events.