A heavy snow can also weigh canes down, resulting in a wider, flatter plant habit the following growing season. Descriptors for Growth Habits of Rose Cultivars arching . . . Growth is similar to the spreading form but cane tips bend back towards the ground. These cultivars produce long canes that, when tied or supported, will climb indefinitely. If not supported, these plants take on a wide arching habit.
Many upright canes create an erect dense plant habit.
Canes grow horizontally over the ground s surface. Upright canes create an erect plant similar to the dense form, except that the number of canes is fewer, resulting is an open, airier habit. This form is typified by frequent branching of canes and short internodes. Without foliage these plants look very twiggy. Many Hybrid Rugosas exhibit this plant form.