Unlike Eurasian Blackberry which arguably does have some habitat
values that may warrant a step-wise replacement approach, Scotch
Broom is pretty much value free.

Yeah, in a pinch some species will use it as cover if it happens
to be next to decent habitat, but even as a cover species it's
pretty marginal. I spend lots of time in broom covered habitats
and it is amazingly dead throughout the year, especially in places
where there is no adjacent, decent habitat.

It's also incredibly difficult to get rid of by cutting and pulling.
Even if you get all the live plants up, seeds have been sitting
dormant in the ground, chemically suppressed by the living plants.
They will sprout and produce a dense monoculture of young plants,
thicker and nastier than the adult plants. Total removal is the
only viable approach (cutting off new seed production) and you will
be fighting re-infestation for years.

Interem cover could include a mix of native wildflower annuals,
one of the native thistles....

--
Mike Patterson
Astoria, OR
celata at pacifier.com

Scale, nature and our infinite capacity to rationalize
http://www.surfbirds.com/blogs/mbalame/archives/003674.html