Breaking News Bar
updated: 11/7/2013 11:40 AM

How late can I plant perennials in my garden?

hello
Success - Article sent! close
 
By Mary Boldan

Q. How late can I plant perennials in my garden? What should I do if I have perennials that I wasn't able to get planted in time?

A. In order to have success in planting your perennials in the fall, it is important to have an idea of your frost times to know when to plant your perennials accordingly. According to the National Weather Service (NWS), frost is when the temperature of the Earth's surface falls below 32 degrees. This forms thin ice crystals that can cover the ground. Since a frost is temporary (usually over one night), you can protect your plants by covering them or bringing them indoors the night the frost is predicted.

Order Reprint Print Article
 
Interested in reusing this article?
Custom reprints are a powerful and strategic way to share your article with customers, employees and prospects.
The YGS Group provides digital and printed reprint services for Daily Herald. Complete the form to the right and a reprint consultant will contact you to discuss how you can reuse this article.
Need more information about reprints? Visit our Reprints Section for more details.

Contact information ( * required )

Success - request sent close

On the other hand, a freeze is when the temperature is expected to remain under 32 degrees for an extended period of time. A freeze generally spells the end of the growing season for tender plants

With this in mind, planting too close to the first fall frost can hinder the success of plants by not allowing enough time to establish and take root. The right timing is often instrumental in the vitality of overwintering plants.

Although each plant's needs may vary and some are more winter-hardy than others, planting a month before the last fall frost is generally sufficient in giving the plant enough time to establish itself and take root. If you have to plant closer to the last frost, be sure it is not in a low spot where water accumulates. This and a layer of mulch will help to prevent frost heaves from dislodging the plant over winter.

• Provided by Master Gardener Mary Boldan. Master Gardener Answer Desk, located at Friendship Park Conservatory, 395 Algonquin, Des Plaines, is open 9 a.m. to noon on Wednesdays. Call (847) 298-3502 or email Cookcountymg.com@gmail.com

Share this page
Comments ()
Guidelines: Keep it civil and on topic; no profanity, vulgarity, slurs or personal attacks. People who harass others or joke about tragedies will be blocked. If a comment violates these standards or our terms of service, click the X in the upper right corner of the comment box. To find our more, read our FAQ.
    help here