How do you prune Pinus Radiata to maintain the Christmas Tree shape?

Hello. I'm in process of purchasing some pinus radiata seeds/seedlings for the purpose of growing them for Christmas trees. Just wondering how often I need to prune to have the shape of a Christmas tree and if I need to do anything specific to start the shaping of the Christmas tree shape. Thanks heaps

yates

16 July 2012 04:20 AM

Hi Laura,


Thank you for contacting us regarding growing pine tree. Traditionally European spruce (Picea babies) is used for Christmas tree, you may trim Pinus radiate twice a year to maintain the shapOne of the most important Yuletide decisions families make is choosing what sort of Christmas tree to have. While plastic trees are trouble-free options, many prefer the look, feel and smell of a real tree. This then leads to the next decision: cut Christmas tree or potted live one?
Cut trees should be purchased as close to Christmas as feasible and should be as fresh as possible. The best way to do this is to visit a Christmas tree farm where you can select and (sometimes) even cut your own tree. Keep the cut base in water in a bucket, and top up the water as often as necessary. Spray the cut tree with Yates DroughtShield. This is an anti-transpirant that reduces water loss from leaves and has been found to keep the cut tree in good shape for considerably longer.
The most traditional of all potted Christmas trees is the European spruce (Picea abies). Hundreds of these are sold each year, only to languish and die in neglected back corners. Presumably anyone who buys a living tree is keen to keep it alive, so it's best to put a bit of effort into post-Christmas care of a potted spruce. Potted pines (Pinus radiata) are hardier but also faster growing. Generally they will have been trimmed through their growing period. A light pruning at least once a year will help to maintain their shape but never cut back into bare branches. Conifers don't generally re-shoot from bare wood.
Keep your potted Christmas tree well watered because, if conifers dry out, they seldom recover. Good drainage is important, though, so make sure the water can get away. Or use a self-watering Tuscan Edge pot that has a reservoir of water in the base.
There are plenty of other clever ideas for Christmas trees. Lillipillies can be trimmed into a neat conical shape and certain lillipilly varieties feature fluffy flowers or colourful fruit as added decorative bonuses. Trimmed Geraldton wax and Norfolk Island pines are other suggestions. Creative choices are the order of the day!
When it's time to bring the potted tree indoors, place it in a spot close to a window where it receives as much light as possible (although avoid sunlight through glass). Move the plant outdoors as soon as you can after Christmas and remember it will need some time to re-adjust to sunlight. Put it in full shade to start with and gradually move it back into a sunnier position. Merry Christmas! Hope this helps and happy gardening. Best Regards, Louise Yates Horticulturalist

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