February 2025 - 43

CULTURE REPORT
'Burning Hearts' is an extremely
resourceful plant, tolerating a range of
temperatures and weather conditions.
by birds, bees and other pollinators
given the plant's numerous nectarrich
flowers.
The genus name derives from
the Greek words " helios, " which
means sun, and " opsis, " meaning
combining form, spectacle and
sight or appearance. The latter
is thought to refer to the rayed
and yellow flowerheads.
" Heliopsis 'Burning Hearts' has
been part of the De Vroomen Spring
program for years, " said Bruce
Bradley, general manager with De
Vroomen Garden Products' Bulb
Canada division. " The variety is a
favorite among many people because
of its versatility for bed, border and
mass plantings, and the fact it is
long-lasting and vigorous. "
Heliopsis 'Burning Hearts', a
perennial that belongs to the sunflower
family (Asteraceae), was originally
bred by Jelitto Perennial Seeds in
Germany and introduced by Jelitto in
2016. One of the standout features of
this robust perennial is its rich, deep
red-orange, daisy-like flowers that
bloom from July through October.
Some refer to the flowers as
appearing like flames or being flamekissed
due to their fiery-red centers
and red-to-yellow and orange petals.
" 'Burning Hearts' is an extremely
resourceful plant, tolerating a
range of temperatures and weather
conditions, " Bradley said. " The variety
also adds immense landscape value
in dry gardens or applications where
low water conditions exist, and it
has a desirable low susceptibility to
diseases and pests. "
Heliopsis 'Burning Hearts' is a
well-placed alternative to sunflowers
with generally more benefits. Usage
locations and applications are rife,
some of which include cottage and
perennial gardens, as foundational
plantings along borders and in
backyard cutting-garden beds. The
variety offers wide appeal across
USDA Hardiness Zones 3 to 9.
In addition, deer and rabbits
usually steer clear of the variety,
making it ideal for landscapes in
suburban and rural settings.
The following recommendations
include best practices for
successfully growing 'Burning
Hearts' from bare root:
PROPAGATION
Use a well-drained growing medium
with an EC of 0.75 to 0.80 and pH
of 5.8 to 6.2, and stick cuttings
the day of arrival if possible. Root
development should be visible in
14 to 16 days. Once roots become
visible, begin fertilizing 'Burning
Hearts' within 50 to 75 ppm nitrogen.
During root development, it is
key to maintain moderate moisture
levels in the soil. Avoid saturation of
media. The roots should be ready for
transplanting within 35 to 42 days
after sticking. If rooting 'Burning
Hearts' during winter months,
14 hours of extended daylight is
required for successful propagation.
FINISH
'Burning Hearts' should be finished
in a media with good aeration and
drainage. The variety prefers a
growing medium that is high in organic
matter and optimal pH of 5.8 to 6.2.
The finish time for 'Burning
Hearts' is 12 weeks on average.
Mature plants can grow to
4 feet tall with an impressive
spread of 18 or more inches.
LIGHT
'Burning Hearts' will perform well
under moderate-to-high light.
WATERING
The growing media for this variety
should be allowed to dry regularly
and fully between waterings. It is also
key to never saturate or overwater
'Burning Hearts' while growing it. The
variety should not be allowed to wilt.
FERTILIZER
Use a balance of fertilizer at a rate
of 150 to 175 ppm.
PGRs
'Burning Hearts' will not require
growth regulator treatments.
DEADHEADING OR PRUNING
Remember to pinch 'Burning
Hearts' when the plant is wellrooted.
Deadhead this variety to
remove spent flowers and extend the
flowering season.
To learn more about heliopsis
'Burning Hearts' and De Vroomen's
other bare root and bulb products,
please visit devroomen.com.
Sophie Collins is a senior public
relations coordinator and writer with
Eberly & Collard Public Relations,
an integrated marketing firm in
horticulture, landscape and related
industries. Visit ecpr.com for more.
GREENHOUSE PRODUCT NEWS 43
http://www.devroomen.com http://www.ecpr.com
February 2025

Table of Contents for the Digital Edition of February 2025
