On 2 Jan, 20:43, "Mark" wrote:
"PK" wrote in message

...

"Martin" wrote in message
.. .

This site gives 20 cm between each plant
http://www.hedgesdirect.co.uk/acatal...ing.html?gclid...
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Martin

RHS advice is:

Planting
Planting distances vary from 30-60cm (1-2ft), depending on the plants'
vigor. For hedges thicker than 90cm (3ft) plant a staggered double row
45cm (18in) apart, with plants 90cm (3ft) apart.

So how many do I need for a 75 ft hedge?

mark

If you are going to plant staggered and want a hedge that will rapidly
become a established and keep out almost everything then plant your 2
rows with 3 ft between plants and 1 ft between the rows, also put a
run of 1inch wire netting 2ft or so high down the middle.
Get the plants as small as possible, they will establish much quicker
than large plants.
If the plants are bare rooted and dry then soak them for a couple of
hours before planting.
if you have a couple of spare then plant them somewhere else to use to
replace any that die.
When I moved in here I planted 2000 bare rooted hawthorn over 2
winters, I lost 1 plant.
After 2 years I put in a load of cuttings of Lonicera nitida to
thicken the hedge.
David Hill
Abacus Nurseries