[viettaclark]

I'm clearing a small area below the patio to make a herb garden. This involves removing ivy, hops, Golden Rod and an "orange pompom" plant. They are all invasive and my back's killing me!!
I thought ivy was bad to get rid of but hops.......the main roots are 3" diameter and go too deep to dig them out. Then there are the side roots which are tough as old boots.
The "orange pompom" is invasive too. Tall stems a bit like thin bamboo that have some thin little branches and the leaves are green, oval shape with serrated edges and pointed tip and grow from the main stalk alternately on short stems. It is one of the first flowers in the garden...Feb/March and the mature clump gives a wonderful display of masses of orange/yellow, 2 cm wide pompom like flowers. Unfortunately they die quite quickly and for the rest of the year it's a twiggy mess!
Likes sun and doesn't mind it dry. Roots spread manically with new growth popping up along the length (bit like raspberries) and is obviously perennial but deciduous.
I was up until 3 (yawn) last night Googling and didn't find it
Anyone know what it is? I've had it in my last 2 gardens....I really ought to know it's name.......

[Spana]

Is it kerria japonica plentiflora.   Its plentiflora that has pompom type flowers

[viettaclark]

Thank-you so much Spana!!!
You are dead right!!!
I'm leaving a small clump as a screen and because the flowers are so nice to see early in the year. More fool me....it will probably swamp the herbs!!!!