Brunnera macrophylla 'Jack Frost'
Jack Frost Siberian Bugloss
Item #: 3367
Zones: 3a to 7b
Height: 12" tall
Origin: Mediterranean Europe
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(USPP 13,859 expired) Brunnera 'Jack Frost' is one of those rare occasions when a plant comes along that has the "WOW" factor.This is a truly stunning Walters Gardens discovery...a sport of Brunnera 'Langtrees' that makes a brilliant, 18" wide, deer-resistant clump of round, frosty silver leaves. Each leaf is highlighted by a dramatic green border as well as narrow green vein lines running through the solid silver leaf. As if you needed more, the clump is topped with tiny clusters of blue flowers in early spring...a true superstar of the shade garden. Provide evenly moist, rich soils to grow the best plants.
Brunnera is essentially maintenance free. If you're a neat freak, you may want to remove the old flower stalks when they finish in late spring, but if have the need to do this, you may also want to seek treatment for OCD. The clumps die to the ground in fall, and the old leaves will generally just fade away.
Despite what you sometimes read on-line, Brunnera macrophylla does not spread by rhizomes. It is a tight clumping perennial, although it can be divided after growing well for 3-5 years.
Brunnera macrophylla prefers moist, well-drained soils for best performance in a light, open shade, woodland condition. Brunnera does not fair well in deep shade or shade that stays too dry for a longer period. Despite preferring a moist soil, brunnera does not like a waterlogged soil, which will cause the roots to rot.
Brunnera is a great combination plant in the woodland garden to provide a bold-textured element in contrast to more fine textured plants like ferns and carex. The silver leaf color also adds a pop of color amongst green foliage.
Bees are the favored pollinators.
Flower Color: Blue
Bloom Time: Spring
Container Role: Fillers
Other: Butterfly Attracting Plants , Cut Flower Plants , Deer Resistant Plants , Groundcovers , Pollinator Plants , Perennial Plant of the Year , Rabbit Resistant Plants , Rain Garden Plants , RHS Award of Merit Winners , Colored Foliage , Patterned Foliage