Wyoming Plant Company

Perennials - Late Summer to Autumn

Don't let the party end in late summer - these gems really hit their stride when most other perennials are calling it quits for the season - what a fantastic finale to the season!

Bridges Penstemon(Penstemon rostriflorus)

Plant Select® 2006 During later summer a continuous succession of small scarlet red tubular flowers in elongate panicles top slender stems with dark green narrow leaved foliage that forms a basal rosette and climb upward. Long lived if not pampered. Height: 1-2 feet and 1 foot width at maturity.

Bloom Time

Height

Width

Zone

Watering

Sun

Late Summer to Autumn

1 to 2 feet

1 foot

4

Full Sun

Size

Cost

Premium

$8.00

1 Gal

$15.00

Chocolate Joe Pye Weed (Eupatorium rugosum ‘Chocolate’) Chocolate Joe Pye Weed

Joe Pye Weed has a striking cousin in this creamy white cluster-flowered late summer-early fall bloomer. The bronze-purple foliage looks like chocolate in part sun to part shade and grows to 3 to 4 inch high (shorter when grown dry) by 2 to 3 feet wide. Ruth’s personal backyard garden includes a cluster of dry grown Chocolate Mist Flower.

Bloom Time

Height

Width

Zone

Watering

Sun

Late summer to early fall

3 to 4 feet

2 to 3 feet

4

Full Sun to Part Shade

Size

Cost

Premium

$8.00

Goldenrod

Fireworks Goldenrod (Solidayo rugosa Fireworks)

2007 GreatPlants Perennial of the Year. Lacy, radiating bloom spikes of sparkling golden-yellow from mid September past mid October. Greatly extends garden color and excitement. From North Carolina Botanical Garden.

Bloom Time

Height

Width

Zone

Watering

Sun

Late summer

4

Size

Cost

Premium

$8.00

Wichita Mountains Goldenrod (Solidago ‘Wichita Mountains’)

Great Plants ’05 This outstanding, long standing specimen with tall rods of bright gold blooming in late summer will cheer you every time you look at their blooms in your prairie planting. Butterflies will stay in your late summer garden and the bees that we need to pollinate our garden crops will have a good source of pollen for winter food in the hive.

Bloom Time

Height

Width

Zone

Watering

Sun

Late summer

3

to

Full Sun to part sun

Size

Cost

Premium

$8.00

Given our intense sun, wind, and alkaline soil it is easier to be successful at English Cottage, Mediterranean, and Western Prairie Styles than it is with more formal French or Italianate Gardens. Gravel mulched rock gardens are also a good choice.

Helen's Flower (Helenium 'Rotgold')

New! This is also known as sneezeweed, this is a large autumn blooming perennial with brilliant shades or red and gold from August thru October! This drought tolerant native of the west is great for cut flowers, attracts butterflies but not deer!

Bloom Time

Height

Width

Zone

Watering

Sun

August through October

3 to 4 feet

18 to 24 inches

4

Full Sun

Size

Cost

Premium

$8.00

Rain Gauge

Throughout this site, the following are used as guidelines for watering established plants:

These plants need regular watering somewhat like a bluegrass lawn so that they never dry to depth in the root system during the active growing season and need occasional winter watering to prevent root dessication and resultant plant death.

These plants are adapted to intermittent deep watering with soil drying to a depth of a few inches between waterings. Watering frequency may be every couple of weeks during the active growing season and maybe only one winter watering for optimal care.

These truly xeric plants can live with our 12 inches of natural precipitation and only need a winter watering during a multi-year drought but they will thrive with a monthly watering. Overwatering will kill some of these.

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