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Panicum virgatum Hot Rod - Switchgrass

Panicum virgatum Hot Rod
Switchgrass

5,0/5
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I'm used to vine-plants, as I have ordered them from another website. I was missing a hot rod, and I ordered it from you in a 9 cm (4in) water pot. And what a disappointment, because the young plant is really fragile compared to the ones from the other supplier, which are beautiful and strong, and for a cheaper price!

Christèle, 06/03/2020

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This plant carries a 12 months recovery warranty

More information

A compact grass, not exceeding 1 m (3 ft) in all directions, with foliage that colours in a remarkable way from the beginning of summer: its young leaves are green-blue, quickly turning red, then dark brown. Its flowering emerges at the end of summer, in the form of cream-white spikes that become tawny bronze. A very hardy and water-saving perennial that adapts to many growing conditions. Install it in a pot on the patio or in a sunny bed.
Flower size
8 cm
Height at maturity
90 cm
Spread at maturity
65 cm
Exposure
Sun
Hardiness
Hardy down to -29°C
Soil moisture
Dry soil, Moist soil
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Best planting time March, October
Recommended planting time March to May, September to November
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Flowering time August to October
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Description

Panicum virgatum 'Hot Rod' is undoubtedly the darkest upright Switchgrass variety, and the one with the fastest colour-changing leaves in the season. It is also a moderately growing variety, well suited for small gardens and container cultivation. Its young spring leaves are bluish-green, quickly and gradually turning red before becoming dark brown. The cloudy flowering in late summer, with shades of brown, bronze, and purple, adds extra charm to this fantastic dark grass, which is also fully hardy and easy to grow everywhere.

Panicum virgatum is a plant in the Poaceae family that once reigned over the fertile plains of the American Midwest, serving as fodder for the immense herds of wild bison. In these tall prairies, it coexisted with other tall grasses that are now cultivated for garden ornamentation: Sorghastrum nutans or Indiangrass, Andropogon gerardii or big bluestem, and Schizachyrium scoparium.

The 'Hot Rod' variety is an American selection dating from before 2012. It is a more compact and exceptionally coloured form of this non-invasive rhizomatous plant. This variety forms an upright clump composed of long ribbon-like leaves that are bluish-green, quickly and durably turning red and dark brown along almost their entire length. They are crossed by a stiffer central vein, allowing the foliage to maintain its supple but vertical habit, preventing it from drooping in the rain. Its mature dimensions will reach approximately 80 cm (32 in) to 1 m (3 ft) in height and 50-60 cm (20-24 in) in width. It blooms from August to October. Tufts of foliage emerge from long, stiff, leafy stems that protrude from the foliage, covered in airy plumes measuring 30 cm (12 in) in length, made up of countless small flowers that give a feathery appearance to the inflorescence. The flowers transition from white-pink to brown-purple and then to tawny bronze. The foliage colouration is even more intense when there are large temperature variations between day and night and intense sunlight. It starts its growth relatively late in spring and dries up at the end of autumn.

Adapted to extreme conditions, switchgrass can withstand anything: drought, cold, sea spray, and heavy and waterlogged soils. It is versatile and adapts to many situations in the garden, as well as in containers. This fabulous 'Hot Rod' variety, with its highly coloured foliage and lower habit, is highly appreciated in small gardens and in the heart of perennial or low shrub borders. It is much hardier than Pennisetum advena Rubrum and possesses comparable ornamental qualities, but unlike the latter, it is perfectly perennial and adapts to all regions, including cold, dry, or coastal areas. It can fit anywhere, adding a fabulous touch of colour to any setting.

The deep root system of Panicum virgatum helps to unclog the soil, protecting it in winter and enriching it with organic matter. This characteristic is used on a large scale, as it allows other plants or crops to grow in inhospitable soils where it would not have been possible before. Once considered a weed to be eradicated from fields in North America, Panicum virgatum is now a useful plant for the restoration or conservation of vulnerable or degraded soils. Its well-developed root system, size, and late vegetative growth enable it to protect soils against erosion by water and wind, without blocking the necessary sunlight for other spring species.

Panicum virgatum Hot Rod - Switchgrass in pictures

Panicum virgatum Hot Rod - Switchgrass (Foliage) Foliage
Panicum virgatum Hot Rod - Switchgrass (Plant habit) Plant habit

Flowering

Flower colour white
Flowering time August to October
Inflorescence Panicle
Flower size 8 cm

Foliage

Foliage persistence Deciduous
Foliage colour purple

Plant habit

Height at maturity 90 cm
Spread at maturity 65 cm
Growth rate normal

Botanical data

Genus

Panicum

Species

virgatum

Cultivar

Hot Rod

Family

Poaceae

Other common names

Switchgrass

Origin

Cultivar or hybrid

Product reference864061

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Planting and care

Plant Panicum virgatum in fertile, deep, moist to dry soil, and even soil that is clayey, wet or dry in summer, and in full sun. Prune the dry clump in spring when vegetation resumes. These are very robust and easy-to-grow grasses, including in coastal areas and hot and dry regions in summer. Once well established, they withstand everything except shade. Regularly water your young plants to help them establish themselves, especially in dry and hot weather. An application of well-decomposed fertiliser or compost is appreciated in spring.

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Planting period

Best planting time March, October
Recommended planting time March to May, September to November

Intended location

Suitable for Meadow
Type of use Border, Edge of border, Container, Slope
Hardiness Hardy down to -29°C (USDA zone 5) Show map
Ease of cultivation Beginner
Planting density 5 per m2
Exposure Sun
Soil pH Neutral, Calcareous
Soil type Clayey-chalky (heavy and alkaline), Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, any deep soil

Care

Pruning instructions Prune the dry stems to 15 cm (6 in) from the soil, using pruning shears or hedge clippers, at the end of winter.
Pruning Pruning recommended once a year
Pruning time March to April
Disease resistance Very good
Overwinter Can be left in the ground
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