Helping Plants Survive an Early Spring or Late Freeze

Unseasonably warm temperatures in February caused some trees, shrubs and bulbs to start growing earlier than usual.  The following Yard & Garden News Releases from Iowa State University Extension & Outreach explain the consequences of early growth and what can be done about it and are available at the Extension website


Dealing with Premature Flowering Spring Bulbs (2/15/17)


Winter 2017 has been unusually mild in Iowa, with daily high temperatures in the 50s and 60s and approaching record highs. This is good news for those who dislike snow and icy conditions, but it can confuse spring-flowering bulbs and lead to early growth.


Protecting Plants from Late-Spring Freezes (3/1/17)


Late-spring frost and freezing temperatures are always possible in Iowa. Protecting plants from such events is important, but when should precautions be removed?


Handling Early-Flowering Trees and Shrubs in Freezing Temperatures (2/23/17)


February brought unusually warm temperatures across Iowa, with record highs topping the 70-degree mark. Return to more-seasonable winter temperatures could confuse trees, shrubs and plants which flower earlier than normal. Will this cause problems?

Authors: 

Richard Jauron Extension Program Specialist II

Provide horticultural information to home gardeners and extension staff via the telephone, written communication (Horticulture and Home Pest News, Yard and Garden,  and extension publications), radio, computer (Internet and e-mail), and live presentations.   Also assist with the Master ...

Links to this article are strongly encouraged, and this article may be republished without further permission if published as written and if credit is given to the author, Horticulture and Home Pest News, and Iowa State University Extension and Outreach. If this article is to be used in any other manner, permission from the author is required. This article was originally published on March 3, 2017. The information contained within may not be the most current and accurate depending on when it is accessed.