Spirea Van houtte

Vancouver, WA(Zone 8a)

My son, in Bene, Oregon, high desert, zone 5, has a 4 year spirea van houtte and it is about 4 ft tall. How much taller will it grow?

Beautiful, BC(Zone 8b)

It does mention 6-8' in Plant Files. Maybe east of the Cascades it might take longer to reach that height.

Mine are hanging out at around 4' and they haven't grown much in the 5 years they have been here.

Northumberland, United Kingdom(Zone 9a)

It is a hybrid between two Asian species, one (Spiraea trilobata) from northern China west to Turkestan, the other (S. cantoniensis) from central/southern China.

The climate in eastern OR is not dissimilar to that where S. trilobata comes from, so I'd guess it should grow well there.

Resin

Vancouver, WA(Zone 8a)

The 6-8 ft was what I have read re: their height. Maybe it is a bit slower here in zone 5. It is a very pretty bush, I think and nice shape.

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