Lavatera cashmeriana - Rare and endangered - Bright pink pinwheel flowers smother this 10-12 foot columnar variety all summer long. The soft green leaves are similar to maple leaves, and form a nice bush, starting in early spring. A native of the Kashmir region of the Himalayas, it is very cold hardy. Start seeds indoors in early spring. They can be pre-soaked in water to soften the hard seed coat or gently filed with sandpaper to increase germination. Well worth the extra effort.