On 17 May, 21:05, Alan wrote:
In message , 'Mike'
wrote

and SA tape is like a long length of Sellotape, determined to stick to
itself before it goes where you want it to go. And once stuck to itself
........................................ *you can forget that bit ;-{

You only need one layer over another to form a tight waterproof bond so
unless the OP wants to graft onto the Giant Redwood I would guess that a
4 to 6 inch length is enough for one graft

--

Alan
news2009 {at} admac {dot} myzen {dot} co {dot} uk

4 to 6 inches for a 3mm stem?
"Soon I am going to do some grafting of green (this year's growth) to
green material, about 3 mm in diameter."