Penstemon 'Sour Grapes'

Also Known As

Sour Grapes Beard Tongue

Plant type

perennial

size

H: 24"-36"
W: 18"-24"

planting zones

7a-10b

More Options

Penstemon 'Sour Grapes' plant details

Penstemon 'Sour Grapes' is a broadleaf semi-evergreen perennial with green foliage. In spring and summer purple and white flowers emerge. Attracts bees, butterflies and hummingbirds making it an excellent addition to pollinator gardens. Grows well with sun - mostly shade and regular - low water. Drought tolerant once established. Does well in average, gritty and well-drained soil. A good option if you're seeking something heat tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Penstemon 'Sour Grapes'

Plant type: perennial
Plant family: plantaginaceae
Foliage: semi-evergreen green
Mature size: 18 IN - 24 IN - wide, 24 IN - 36 IN - tall
Flowers: purple and white blooms in spring and summer
Uses: border plant, cutting garden, rock garden, showy

GROWING CONDITIONS for Penstemon 'Sour Grapes'

USDA Zones: 7a - 10b
Sun exposure: sun - mostly shade
Watering frequency: regular - low
Resistant to: heat and verticillium wilt
Soil needs: average, gritty and well-drained

Nursery contributed plant descriptions

Like a cluster of grapes only much prettier and not really "sour" at all, these showy clusters of large 2" flowers of purple and white on 2-3' stems are an eye-catcher in the border. S/M

By: Forestfarm

These perennials just bloom their sweet little heads off! Upright stems with vibrant green foliage 24-30” tall in a 2’ wide clump are topped with pucker up red violet tubular flowers (hummers must see these from a million miles away) from early summer right up until frost if deadheaded once in awhile. Full sun, soil with decent drainage, occasional water. USDA 7b 4” pot

By: Secret Garden Growers

A vigorous sprawling perennial carrying dusty purple foxglove flowers. Deep green lance shaped leaves are symmetrically arranged on long stems. Give space to root into the ground. Flowers throughout the warmer months. Try not to disturb the roots.

By: Zephs

Because it's his favorite penstemon, Carlos, our Yard Manager, makes sure this is always in stock. This one bears clusters of flower buds at the tip of each stem that open in shades of green, amethyst and purple, looking like unripe grapes. Flower throats are white, streaked with fine purplish-red lines. Plants bloom from July to October. A handsome large-leafed selection usually growing to 2'.