The Award of Garden Merit (AGM) issued by the Royal Hoticultural Society (RHS) helps gardeners find reliable, consistent plants that will provide particularly good value in the garden.The award is granted after trials at the RHS’ garden at Wisley in Surrey and/or assessment at specialist collections or discussion at meetings. There is a set list of criteria that plants have to meet to be deemed worthy of the AGM. For more information on the AGM please visit the RHS Website.
Nursery owner, Tim Fuller, has been involved with judging the trials at RHS Wisley since 2008.
An elegant variegated form with an upright clump forming habit and fine foliage with white margins. Excellent and airy height for mixing into formal borders or naturalistic gardens. Good soil in sun. 1.5m.
AGM Not as dwarf as the name suggests! A classic form of catmint well suited to the traditional edging of large herbaceous borders or formal paths where a billowing cloud of lavender blue flowers all summer is required. Drained soil in sun. 60cm.
The classic “black grass”. Ideal for tubs and containers as well as edging borders etc. Strappy black foliage and short spikes of mauve flowers followed by black, pearl-like, berries. Decent soil in shade or part shade.
AGM A stunning and well behaved Golden Rod with purple flushed foliage, best in full sun. Open, elegant heads of long narrow branches covered in yellow flowers in late summer. 1.2m. Average to good soil.