November December 2023 - 16

VARIETY INFORMATION
Hibiscus 'Edge of Night'
Flowering Perennials
A
First Year
Beautiful options grown in one season
with no vernalization required
BY LAURA ROBLES
s instant gratification has
become more and more
popular in all aspects of
Kniphofia 'Hot and Cold'
our society, so has the demand
for first-year flowering perennials.
There are many beautiful options
that can be grown to a finished,
flowering plant in one season with
no vernalization required. Here are
just a few that are available in the
Walters Gardens offering.
HARDY HIBISCUS
The first one that comes to mind
Agastache 'Queen Nectarine'
is hardy hibiscus. These gorgeous
plants have the look of the tropics
but on a perennial chassis hardy to
zone 4. Hardy hibiscus will flower
the same season from either a
72-count liner or from bare root,
with liners being a better option for
smaller, 1 to 2-gallon containers
and bare root being the best
option for larger containers such
as 3-gallon. Hibiscus grows best in
warmer temperatures, so the best
time for planting this crop is late
March through the end of June. You
can expect a finished crop in 10-12
weeks, but flowering may take a
bit longer in cooler temperatures
or if plants are pinched after
transplanting, and as with all of our
perennials, the timing also depends
on your location and environment.
Silvia 'Pink Profusion'
Photos courtesy of
Walters Gardens.
16 NOVEMBER/DECEMBER 2023 GPNMAG.COM
KNIPHOFIA
Another tropical-looking
perennial that will flower without
any cold treatment is Kniphofia,
or Red Hot Poker. Our selections
in this genus combine grass-like
foliage with tall flower scapes
starting in early summer and
repeating blooming until fall, and
hardy to zones 5b/6 depending
on variety. All of our kniphofia
are offered as bare root, but the
Pyromania collection also comes in
a 72-count option. Both inputs can
be planted in early spring to late
spring for a same-season finish.
AGASTACHE
If you want to check off the box
for both first-year flowering and
great pollinator plants, you may
want to give Agastache a try. These
drought-tolerant, heat-loving
perennials attract hummingbirds,
butterflies and bees, and are
available in 72-count liners as
well as larger 30-count liners
for an even faster finish option
(and smaller quantity per tray).
Agastache are super easy to grow
and are best planted in spring to
early summer when temperatures
are warmer and more to their liking.
SALVIA
Salvia is always a sought-after
perennial and all of the Salvia
nemorosa types will bloom the
first year. The Walters Gardens line
up includes the Bumble series,
Profusion series and some of the
hybrids that are crosses between

http://www.GPNMAG.COM

November December 2023

Table of Contents for the Digital Edition of November December 2023

Table of Contents
Editor's Report | All Good Things...
Industry News | AmericanHort: Nurturing New Hires
Duets | Greenhouse Energy Curtains
Technically Speaking | Crop Acclimation
Lighting | Striving for Optimal Greenhouse Control
Varieties | First Year Flowering Perennials
2024 Guide to Cannabis Production
Plant Health | Cannabis Plant Nutrition
Lighting | Cannabis Water Use Efficiency Under More Supplemental Light
Climate Control | Maximizing the Greenhouse
State of the Cannabis Industry
Advertiser Index - 2024 Guide to Cannabis Production
Great Lakes EXPO | Biological Control Against Unwanted Pests
Culture Report | Romantica Ball Gown
Vaughn's View | Perennial Parade
Product Marketplace
Classifieds/Ad Index
November December 2023 - 1
November December 2023 - 2
November December 2023 - Table of Contents
November December 2023 - Editor's Report | All Good Things...
November December 2023 - 5
November December 2023 - Industry News | AmericanHort: Nurturing New Hires
November December 2023 - Duets | Greenhouse Energy Curtains
November December 2023 - 8
November December 2023 - 9
November December 2023 - Technically Speaking | Crop Acclimation
November December 2023 - 11
November December 2023 - Lighting | Striving for Optimal Greenhouse Control
November December 2023 - 13
November December 2023 - 14
November December 2023 - 15
November December 2023 - Varieties | First Year Flowering Perennials
November December 2023 - 17
November December 2023 - 18
November December 2023 - 2024 Guide to Cannabis Production
November December 2023 - 2A
November December 2023 - Plant Health | Cannabis Plant Nutrition
November December 2023 - 4A
November December 2023 - 5A
November December 2023 - Lighting | Cannabis Water Use Efficiency Under More Supplemental Light
November December 2023 - 7A
November December 2023 - 8A
November December 2023 - 9A
November December 2023 - Climate Control | Maximizing the Greenhouse
November December 2023 - 11A
November December 2023 - State of the Cannabis Industry
November December 2023 - 13A
November December 2023 - Advertiser Index - 2024 Guide to Cannabis Production
November December 2023 - 15A
November December 2023 - 16A
November December 2023 - 19
November December 2023 - Great Lakes EXPO | Biological Control Against Unwanted Pests
November December 2023 - 21
November December 2023 - 22
November December 2023 - 23
November December 2023 - Culture Report | Romantica Ball Gown
November December 2023 - 25
November December 2023 - Vaughn's View | Perennial Parade
November December 2023 - 27
November December 2023 - 28
November December 2023 - 29
November December 2023 - Product Marketplace
November December 2023 - 31
November December 2023 - 32
November December 2023 - 33
November December 2023 - Classifieds/Ad Index
November December 2023 - 35
November December 2023 - 36
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