I live in a region that get four seasons. Usually frost comes in october. When is the last time I should fertilize my perinnels to get them ready for winter.
Extension
Message
From:
Sharon Yiesla
Unit Educator, Horticulture
Lake/McHenry Unit yiesla@illinois.edu
Hi Linda
Perennials generally make the best use of fertilizer in spring and early summer. I would not fetilizer after the middle of July.
