Four Star Culture Guide - 2019 - 103

GRASSES CONTINUED
TRIMMING/PINCHING
Trimming should be avoided on grasses unless you are finishing
out the season and wish to carry over plants to the next growing
season. Once trimmed, they will always have the old trimmed
leaves in place and this will adversely affect the look on the
retail bench. Grow these in the proper environment and trimming
should not be needed. For example, growing Calamagrostis in a
warm poly house in the early spring will just promote tall, leggy
flower growth that will spoil the retail appeal this grass has to
offer. Calamagrostis can be cut half-way back in the spring for
reflushing in the fall.

OTHER TIPS
If a larger size is desired, follow the same culture as above, but
plant using three plants per pot Supernova® 28 liners, or plant
up crops using the previous season's 1 Gallon containers.
When using perennial grasses in upright combinations, it may
be beneficial to plant plugs in quarts and plant these into the
combo at a later date, so the finished date of the combination is
better matched with the finish time of the grass.

GROWTH REGULATORS
Unless otherwise noted below, growth regulators are generally
not needed on these perennial grasses. Use the proper growing
environments to ensure proper growth.
PEST and DISEASE MANAGEMENT
Bird Cherry-oat Aphids can be a problem on grasses. Spider
Mites can become a serious pest on Ogon. Scout also for
Spittlebugs, Thrips and Whiteflies.
Watch for crown and stem rots as well as Leaf Spots and Rust.
Weeding may be needed on occasion in order to grow these
crops long term.
We recommend implementing a good IPM program as well as
early releases of biological control to help aid in the control of
insect and disease problems.

The rates and chemicals listed are based on our southeast Michigan growing conditions, and are not recommended for nationwide application.
Please adjust the rates and spray applications to your location and facility.

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Four Star Culture Guide - 2019

Table of Contents for the Digital Edition of Four Star Culture Guide - 2019

Contents
Four Star Culture Guide - 2019 - Cover1
Four Star Culture Guide - 2019 - Contents
Four Star Culture Guide - 2019 - 1
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