Dandelion (Taraxacum officinale) Family: Asteraceae Life cycle: Perennial Reproduces: Seed Flowers: 1-2” diameter yellow disk and ray flowers on long stalk. Leaves: Simple, lobed (variable), wavy margins (variable), 3-10” long originating from a basal rosette Seedlings: Dicotyledon that is smooth, yellow-green and lack hairs. Comments: A very prominent tap root that can vegetatively[Read More…]
Resources for landscapes and gardens in the Midwest
Landscape Report
Horticulture
It’s that time of the year. Starting in the southern portions of the state and gradually moving north, trees, shrubs, and flowers are beginning to break bud, showing the flowers that have been protected all winter long. One of the first trees that you will notice, increasingly out of place more each year, is callery[Read More…]
Winter of 2017-18 was pretty harsh compared to most years. Much of central and northern Indiana experienced 13 or more days well below 0º F, while southern Indiana had 4- 5 days just a few degrees below 0º F. In addition, gusty winds contributed to further injury by desiccation of buds and twigs. The consequences[Read More…]
Although late winter is generally the ideal time for pruning chores, many of our spring-blooming shrubs are best pruned immediately after flowers have faded. Trees and shrubs that bloom in early spring, such as forsythia, lilac, honeysuckle, quince and spirea, set their flower buds the previous fall, referred to as “flowering on old wood”. If[Read More…]
Fill in the blank: Apply crabgrass preemergence herbicide when____________is in bloom. If you said forsythia, you would be correct. Most of us have been told the answer to this for many years, but have you ever thought to yourself, ‘Is it true?’ There are many ways that people make decisions on when to apply herbicides. [Read More…]
The Perennial Plant Association (PPA) selected its 2018 Perennial Plant of the Year: Allium ‘Millenium’ (yes, that’s Millenium with just one n). This announcement continues to show the focus on pollinator habitat these days — Allium ‘Millenium’ is appropriately referred to as a butterfly and bee magnet! ‘Millenium’ is a hybrid Allium selected for late flowering.[Read More…]
Sign-up to receive email news and alerts from Purdue Landscape Working Group:
