Royal is closest in appearance
to the variety Emerald. Royal generally has fair-to-good winter
hardiness. It has an intermediate to rapid growth rate, and has
an intermediate water use requirement, Royal produces little thatch
with optimum mowing hight of 1 to 5mm. Royal will generally grow
to cover a plot area in 10-12 months growing time when 7 mm X 10
mm plugs are planted on 30 mm centers or by planting sprigs.
Royal spreads by both rhizome and stolon growth. Stolons
of Royal have a mean internode length of 23.2 mm between the second
and third nodes, with a mean internode width and node diameter of
1.42 mm. Leaf blades of Royal are rolled in the bud, and are flat
and stiff. The blade length of Royal is 59.4 mm and 1.53 mm in width,
shorter and narroer than 'El Toro' and Meyer.