Four Star Culture Guide - 2019 - 2

Annual Grouping Guide
All Proven Winners® varieties can be grown well at a pH of 5.8 - 6.2. By grouping plants based on their optimal growing temperature
and by similar pH needs growers can simplify production and make growing more efficient.

Proven Winners® Annuals
GROWING
TEMP

LOW PH 5.5 - 5.8

MID PH 5.8 - 6.2

A
55° - 65° F

Calibrachoa, Nemesia,
Petunia†, Phlox

Argyranthemum, Bidens, Calendula, Gaura,
Lobularia, Osteospermum

B
65° - 72° F

Pegasus® Begonia, Surefire®
Begonia*, Scaevola,
Sutera (Bacopa)

Ageratum, Carex*, Cleome†, Dahlia, Gomphrena,
Isolepsis (Scirpus)*, Rockapulco® Impatiens, Isotoma,
Juncus, Lobelia, Mecardonia, Charmed® Oxalis, Vertigo®
Pennisetum, Portulaca, Rockin'® Salvia, Sanvitalia*,
Lemon Coral™ Sedum, Superbena® Verbena

Chrysocephalum,
Cuphea, Cyperus, Euphorbia,
Ipomoea, Pelargonium,
ColorBlaze® Solenostemon (Coleus),
Meteor Shower® Verbena

Angelonia, Hypoestes, Luscious® Lantana,
Thunbergia, Torenia

Browallia, Canna, Evolvulus,
New Guinea Impatiens*,
all Pennisetum except Vertigo®

C
70° - 75° F

HIGH PH 6.0 - 6.5

Fertilizer: 150 - 200 Constant Liquid Feed (CLF)
*100 - 150 CLF
†
200 - 300 CLF

SOIL MIX FOR CONTAINER GROWING
We recommend using a high-quality, professional grade soil mix
that is adjusted to work with your water quality and growing
style.
A peat-lite based soil or equivalent that gives you 60 - 70%
organic matter and 30 - 40% secondary aggregates, such
as perlite, rockwool, coir and/or bark, will provide proper soil
porosity for good drainage.

FERTILIZING
We recommend using a Proven Winners® Professional Fertilizer
with all of your Proven Winners and Proven Selections® crops.
Our four standard blends improve pH management, and the
iron EDDHA allows for maximum iron uptake while minimizing
iron deficiency problems. The Greening Formula is an excellent
option for correcting pH and greening up a crop quickly. A
Holding Formula is available for special circumstances. Contact
our Grower Team for more information.
A current water test is necessary before fertilizing to ensure
you are using the correct fertilizer. In most cases, constant
150 - 200ppm N is the best option. Slow release can also
be used to help in outdoor growing production.
Learn more about Proven Winners Professional Fertilizers
by calling your customer service representative or visiting
www.pwfourstar.com.

Four Star Greenhouse I www.pwfourstar.com I 734-654-6420
2

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.



http://www.pwfourstar.com http://www.pwfourstar.com

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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