Heuchera 'Citronelle'

Brighten your garden with the lemon-yellow glow of Heuchera ‘Citronelle’.

Heuchera Coral Bells

Heuchera Coral Bells

Electric green heucheras are a vibrant companion for dark-leaved plants.

Photo by: Image courtesy of Proven Winners

Image courtesy of Proven Winners

Electric green heucheras are a vibrant companion for dark-leaved plants.

Turn on the lights in your landscape with the electric glow of Heuchera ‘Citronelle’. This head-turning heuchera unfurls lemon-yellow leaves that light up shady corners like few plants can. Leaf undersides have a silvery sheen, and rosy stems complete the good looks. You won’t go wrong adding Citronelle coral bells to your landscape. If anything, you’ll regret that you didn’t add more sooner.

Like most coral bells, Heuchera ‘Citronelle’ grows best in a partial shade setting. While other heucheras can withstand full sun, the rich, glowing hues of Citronelle tend to wash out in brighter light. Place it in full, deep shade, and the leaf colors shift to more of a chartreuse tint. You’ll coax the strongest hues when you tuck Heuchera ‘Citronelle’ into light shade.

One of the parents of Heuchera ‘Citronelle’ is native coral bells, Heuchera villosa, known in everyday parlance as hairy alum root. This plant is native to the Southeastern United States, so it comes with a hefty ability to stand up to high heat and humidity. Heuchera ‘Citronelle’ maintains this aspect of its heritage, performing solidly in Deep South landscapes. It also has good winter hardiness, growing as far north as Zone 4.

This eye-catching beauty forms a compact mound in the garden, growing 6 inches tall and 14 to 18 inches wide. Its small form makes it a good choice for edging walkways and planting beds. Heuchera ‘Citronelle’ pairs beautifully with dark-leaved coral bells, such as Heuchera ‘Obsidian’ or Heuchera ‘Palace Purple’. It also makes an eye-pleasing combination with Liriope ‘Black Dragon’ or dark leaf dahlias.

Flower spikes appear in summer, later than most other heucheras. The blooms are tiny white bells and appear atop a wiry stem 10 to 12 inches tall. Some gardeners clip the flower stalks as soon as they appear, so as not to distract from the appearance of the plant. Others let plants bloom and snip flowering stems for bouquets. Left in the garden, the blossoms do beckon pollinators and butterflies. When flowers fade, clip bloom stalks as close to the base as possible.

Like other coral bells, Heuchera ‘Citronelle’ prefers soil with ample organic matter worked in prior to planting. During winter, frost heave can occur, where the soil’s freeze-thaw cycles shoves plants out of soil, exposing plant roots to freezing temperatures. In coldest zones, it’s a good idea to mulch Heuchera ‘Citronelle’ in fall, before the ground freezes. Use a few inches of compost. That way, if plants experience frost heave, when new growth starts in spring, displaced roots can start growing in compost.

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