Northwind Switchgrass (Panicum virgatum 'Northwind')

What Northwind switchgrass is

A stiffly upright native prairie grass that holds in wind, so it fits a screen or a repeating column in a yard — not a clump that leans after the first storm. Olive-blue blades turn golden yellow in fall and keep that structure into winter. Northwind is a named selection of switchgrass, Panicum virgatum, chosen because the clump stays narrow and upright instead of arching. The species is native to tallgrass prairie. Buy the cultivar when you want that column, not a floppy fountain of grass.

Hardiness and sun

Our library lists USDA zones 5–9 for this cultivar, in full sun (it tolerates part sun). Nursery tags often say 4–9, which is a wider band than we will claim. A sheltered city courtyard is not the same winter as an open hill two miles away — check your ZIP before you buy.

Size and spacing

Plan for about 4–5′ of height and 2–3′ of width at maturity. Space plants 2.5–3′ apart — that gap is the mature clump, not the nursery pot. Use those numbers when you are drawing a bed.

How to grow Northwind

Give it full sun. Skip extra fertilizer and soggy soil: both push soft, floppy growth. Once established it handles drought. Leave the stems standing through winter; cut them to the ground in late winter or early spring, just before new growth.

It spreads by short rhizomes rather than running. Plant at the spacing in the table so mature clumps touch without crowding.

Fall color and winter

Northwind switchgrass turns golden yellow in autumn, and the tan flower plumes stay on the plant through winter. That winter silhouette is why the stems stay up: they catch snow and stay upright when softer grasses flop. Do not cut it in autumn just to tidy the bed. The gold and the tan plumes are the winter show, and birds use the seed. Cut the clump to the ground in late winter, before the new olive-blue blades come through. The photograph above is Panicum virgatum, the species Northwind was selected from. Northwind itself is the stiff, narrow column of that grass.

Where to place Northwind

Put Northwind switchgrass at the back of a bed or as a repeating screen. At 4–5 ft it is too tall for the front of a low border. Space clumps 2.5–3 ft apart so the columns touch at maturity without merging into one mass. In a zone 5 to 9 yard it earns that back row: tall enough to screen a fence, narrow enough that three of them do not eat the bed. Leave a path on the sunny side so you can cut it down in late winter without standing in the border. It sits with other full-sun prairie plants that want the same dry-to-average soil: coneflower, blazing star, and a shorter grass in front. It is not a shade plant, and heavy feeding plus wet soil will make the blue blades flop.

Named selections in our library

These are variations of Panicum virgatum 'Northwind' — different flowers or habit, same plant underneath. They live on this page rather than each having one of their own.

• Switch Grass 'Cloud Nine'

  Panicum virgatum 'Cloud Nine'

  5–9 · 5–7′ · $24–55

• Heavy Metal Blue Switch Grass

  Panicum virgatum 'Heavy Metal'

  4–9 · 4–5′ · $24–55

What actually pairs with it

Every plant below shares this one's hardiness range, takes the brightest light it is grown in, wants the same kind of soil moisture, and fills a different layer of the border — so it can stand beside it instead of competing with it. Picked from our verified library against those conditions, not copied from a general list.

• Eastern Red Columbine

  Aquilegia canadensis

  middle layer

  3–8 · full sun, part sun · 2–3′ · $8–20

• Creeping Phlox

  Phlox subulata

  front edge

  3–9 · full sun · 0.25–0.5′ · $5–12

• Blue False Indigo

  Baptisia australis

  middle layer

  3–9 · full sun, part sun · 3–4′ · $8–20

• Autumn Joy Sedum

  Hylotelephium 'Herbstfreude'

  front edge

  3–9 · full sun · 1.5–2′ · $8–20

• Blazing Star 'Kobold'

  Liatris spicata 'Kobold'

  middle layer

  3–8 · full sun · 1.5–2.5′ · $8–20

• Hameln Fountain Grass

  Pennisetum alopecuroides 'Hameln'

  front edge

  5–9 · full sun, part sun · 1.5–2.5′ · $8–20

Meeting these conditions makes a pairing possible, not certain. Soil, drainage and how much room you actually have decide the rest.