Panicum virgatum Heavy Metal (Blue Switch Grass)
This clump-forming warm season grass features pendulous metallic blue leaves that turn bright chartreuse in autumn, while airy pink flower panicles appear in late summer. Moderate growth rate.
Blooms late summer
HARDY to -30°F (-34°C)
5-6 ft tall x 2-3 ft wide
Deer and rabbit resistant
Drought tolerant
Tolerant to juglone
Salt tolerant
Feuille bleue, fleur verte, feuillage d’automne pointe bourgogne, croissance modérée, fleurit fin été, hauteur 135 cm x largeur 75 cm, plein soleil.
Zone | Zone 4 |
---|---|
Exposure | Full Sun to Partial Shade |
Moisture | Moderate to Full Moisture |
Native to | Native Cultivar |

Compact lavender-blue daisy-like flowers grow in dense clusters on green foliage. Moderate growth rate.
Blooms late summer to mid fall
1.5 ft tall x 2 ft wide
HARDY to -40°F (-40°C)
Moderate salt tolerance
Attracts butterflies
Deer resistant
Fleur bleu lavande, feuille verte, croissance modérée, fleurit fin été à mi automne, hauteur 45 cm x largeur 60 cm, plein soleil

(Uptick™ Series) Large yellow blooms with burgundy red centres grow tall on thin stems with medium-green foliage. Tidy compact habit. Moderate growth rate.
Blooms late spring through late summer
1-1.5 ft tall x 1-1.5 ft spread
HARDY to -20°F (-28.9°C)
Attracts bees and butterflies
Deer and rabbit resistant
Drought tolerant
Other plants in the Uptick™ Series
Grandes fleurs jaunes au centre rouge foncé qui fleurissent continuellement du début à la fin de l’été, habitude compacte, 12-14″ haut x 12-14″ large, plein soleil.

(Cara Mia™ Series) Masses of double raspberry-pink flowers that, once fully bloomed, resemble puffballs, grow tall above deep green foliage. Rapid growth rate.
Use as cut or dried flowers. Be sure to keep some flowers in the garden over winter, as the blackened seedheads provide cold-season garden interest, as well as food for finches and other winter birds.
Blooms early to late summer
1.5-2.5 ft tall x 2-2.5 ft spread
HARDY to -30°F (-34.4°C)
Attracts bees, butterflies, and hummingbirds
Deer and rabbit resistant
Drought tolerant
Fragrant
Other plants in the Cara Mia™ Series
(FLORAISON CONTINUELLE) Masses de fleurs doubles roses framboise sur une plante basse, dense et compacte, floraison de juin à octobre, habitude monticule, 16″ haut x 31″ large, plein soleil.

(Summerific® Collection) Large dinnerplate-sized blooms of bright bubblegum pink with a deep red-black eye grow on compact bright green foliage. Fast growth rate.
Blooms mid-summer to early fall
4-4.5 ft tall x 4-4.5 ft spread
HARDY to -30°F (-34.4°C)
Attracts bees, butterflies, and hummingbirds
Deer and rabbit resistant
Humidity tolerant
Other plants in the Summerific® Collection
Fleurs roses en forme de coupe de 6-12″ avec un œil presque noir et rouge foncé recouvrent le feuillage vert vif riche du milieu à la fin d’été, habitude dressée en colonne, 4-5′ haut x 4-5′ large, plein soleil/mi-ombre.

This tall, slender perennial features widely branched inflorescence bearing fluffy blooms of white flowers that are a magnet for Monarch butterflies. The bright green, narrow grass-like foliage keeps its colour all season. Slow growth rate.
Blooms early summer
3-4 ft tall x 1-2 ft spread
HARDY to -40°F (-40°C)
Attracts bees, butterflies, and hummingbirds
Deer and rabbit resistant
Drought tolerant
Fleur blanc crème, croissance modérée, fleurit début à fin été, hauteur 110 cm x largeur 60 cm, plein soleil.

Yellow large, daisy-like flowers with deep orange/burgundy centres bloom on bright green, ovate foliage. Moderate growth rate.
Blooms early to late summer
2-3 ft tall x 2-3 ft spread
HARDY to -30°F (-34.4°C)
Attracts bees, butterflies, and hummingbirds
Deer and rabbit resistant
Drought tolerant
Une masse de grandes fleurs jaunes ressemblant à des marguerites, centres orange foncé sur tiges robustes couvrant le feuillage vert foncé, fleurit de l’été à l’automne, 24 ” haut x 10-24″ large, plein soleil.
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This clump-forming warm season grass features pendulous blue leaves that turn rust-brown in autumn, while airy mauve flower panicles appear in late summer. Moderate growth rate.
Blooms late summer
HARDY to -30°F (-34°C)
4-6 ft tall x 2-3 ft wide
Deer and rabbit resistant
Drought tolerant
Tolerant to juglone
Salt tolerant
Feuille bleue, fleur rose mauve, croissance modérée, fleur fin été, hauteur 135 cm x largeur 80 cm, plein soleil.
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This clump-forming warm season grass features pendulous olive-green leaves that turn beige in autumn, while airy golden flower panicles appear in late summer. Moderate growth rate.
Blooms late summer
HARDY to -30°F (-34°C)
4-6 ft tall x 2-3 ft wide
Deer and rabbit resistant
Drought tolerant
Tolerant to juglone
Salt tolerant
Feuille bleu acier, jaune en automne, croissance modérée, hauteur 130 cm x largeur 70 cm, plein soleil.