Grevillea 'Ivanhoe' •Grevillea Ivanhoe – 6 to 10 feet tall and 6 to 10 feet wide. Vigorous, medium sized shrub. Dense, feathery green foliage and striking burgundy-red toothbrush flowers. Flowering peaks winter to early spring. Grows quickly to form a privacy screen or hedge. Beautiful enough to be a focal point. Frost tolerant, very drought tolerant and can be grown in part shade.