Growth forms of climbing plantsThere are various groups of climbing plants, identified by their growth forms. Trailing plants have long, flexible stems that require support in order to grow vertically. MaintenancePlanting and careFew insect pests or diseases attack climbing plants, making them a good low-maintenance choice for gardeners. Watering and pruningIt is best to water them deeply early in the day. As a rule, climbers should be pruned in spring.