Handsome shade tree with few troubles and outstanding seasonal interest. Widely adapted to soils and climates. ‘Hapdell’, commonly sold under the name Happidaze, is a fruitless cultivar with a dense crown and deep maroon fall foliage. Rather difficult to transplant in large sizes. […]
Read More… from Liquidambar styraciflua ‘Hapdell’ [sold as Happidaze™]
This male cultivar of the Meserve Holly is an excellent pollinator known for its hardiness, beautiful, lustrous, dark blue-green foliage, and dense habit. The Meserve Holly, like other hollies, is dioecious, so plant females for fruit and an occasional male for pollination. Blue Prince is considered to be a good pollinator for Blue Princess (‘Conapry’). […]
Read More… from Ilex × meserveae ‘Conablu’ [sold as Blue Prince®]
The Pink Mountain Silverbell is interesting in bloom (pale pink flowers), rather neutral otherwise, but relatively trouble free and useful in many situations as a neutral background plant, or for its flowers. Flowers and fruits are larger than the related species H. carolina. Best grown as a single stem and allowed to branch low (20-30"). […]
The Pricklypear is a cactus native to the eastern United States, including Indiana, and is hardy to USDA zone 4. The cactus pads can break off and root into the ground, forming colonies. It is an evergreen plant, but becomes shriveled and wilted during cold winters. Fruits are edible and are often used to make […]
Semi-evergreen leaves, and smooth line green trunks and branches year round. Palo Verde means "green stick" in Spanish, and the green bark carries on photosynthesis. Survives in the desert on natural rainfall once established. Few problems. Needs some minor clean up maintenance of flowers and leaves. Prune when young to develop multi-stems and show off […]
Massive, picturesque, wide spreading tree. Trees often imbued with Spanish moss. Very tolerant of soil type. Tolerates salt spray. Acorns are eaten by many songbirds and quail, turkey, squirrel, and deer. State tree of Georgia. Old leaves drop in spring, and must be raked-up. […]
The Double Knock Out Rose is a compact, bushy plant that prolifically produces fragrant, double, cherry-red flowers from summer through fall. While this is a very low maintenance and disease resistant rose, good cultural practices are still advised. Avoid wetting the foliage when watering, place the plant in an area with good air circulation, and […]
Read More… from Rosa × ‘Radtko’ [sold as The Double Knock Out®]
Gained its common name from its beautiful, smooth, white bark. Drought tolerant, low water use once established. Adapted well to urban conditions. The leaves have a high phenolic acid content and make it difficult to grow other plants beneath the Ghost Gum. The eucalyptus beetle poses greatest threat, with oval-shaped holes being one of the […]
Habit of distinctive vertical lines providing a stark texture. Withstand long periods of drought. Leaves fall off when water is scarce, but can reappear within a few days after rain. This cycle of leaf drop and re-growth can reoccur several times a season. Foliage typically last about one month. Water twice a month to retain […]
The Purdue Arboretum is a collaboration between the Department of Horticulture and Landscape Architecture and Physical Facilities Grounds Department