February 2020 - 32

CULTURE REPORT
Nepeta
'Neptune'
BY WILL KOUNS
This award-winning variety presents large, cheerful blooms on a dwarf plant.
C
olor, performance and production align perfectly in nepeta
'Neptune' ('Bokratune' PP29556). This amazing cultivar is such
a different perennial catmint that it captures attention like no
other. An international award winner, it has spikes of cheerful violet blue
flowers that bloom from summer through fall and won't flop like other
catmints can. With a little deadheading, it will even rebloom for
an extended show.
The flowers stay very upright over bushy,
compact mounds of blue-green foliage. You'll
see big blooms and big foliage, but on a
diminutive dwarf plant. 'Neptune' stays under
a foot tall, with a neat clumping form that
stays where you put it.
VARIETY SPECIFICS
Since 'Neptune' is bred from a different
species (N. kubanica) than industry
standards like 'Walker's Low', its foliage has
a coarser texture than others - not as blue
and fuzzy. With heavy serration that gives it
an almost scalloped appearance, 'Neptune'
has more the look of a green herb, like you
might find in a mountain field. Leaves waft a light fragrance that accompanies
many catmints.
32 FEBRUARY 2020 GPNMAG.COM
'Neptune' has some great qualities that set it apart from the rest, the
first being that it's relatively easy to grow. Just after transplant, a single
light pinch may help with branching, but other than that, it won't need
special treatment. We recommend finishing in a 1-gallon container.
Plants will finish from a 72 liner for spring sale in approximately six to
eight weeks.
GROWING RECOMMENDATIONS
Like all nepetas, this one loves its drainage, so
be sure to choose a really well-draining soil. Let
plants dry between ample waterings - 'Neptune'
doesn't like to have its feet wet. Keep the pH
in the slightly acidic range, about 5.8 to 6.2,
with EC approximately 1.8 to 2.2 using the 2:1
extraction method.
'Neptune' is a moderate feeder, so use a wellbalanced
liquid fertilizer at a rate of 150 to 250
ppm weekly or 50 to 100 ppm constant feed.
I prefer a 15-5-15 for my water type in early
spring crops, but a 20-10-20 or 20-20-20 would
be acceptable depending on your local weather,
media and water alkalinity conditions. If you are
using a slow-release fertilizer, I have had great success in our Emerald
Coast Growers Research and Development Facility with an analysis of

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February 2020

Table of Contents for the Digital Edition of February 2020

February 2020 - 1
February 2020 - 2
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