Regional Picks: Perennial Hole Fillers – South

1. ‘Sweet Kate’ Spiderwort

Name:Tradescantiaandersoniana‘Sweet Kate’

USDA Hardiness Zones:5 to 9

Size:1 to 2 ft marvellous and panoptic

condition : Full sun to partial shade ; moist , fertile territory

‘ Sweet Kate ’ spiderwort is a fast - develop perennial that is stark for fill in those first- and second - yr gaps in a new planted bed or moulding . From a 1 - gallon pot , it will reach its mature size by the end of the first season , and its cobalt blue blossom provide a gross line to its golden scandalmongering foliation . If the flora start to look tired midseason , simply shear it back to 2 to 3 inches marvelous ( leaf and all ) , fertilize , and water ; within a few workweek ’ time , it will be lush and flowering again . The industrial plant love wet , particularly if it ’s sited in full sun .

2. ‘Powis Castle’ Artemisia

Name:Artemisia‘Powis Castle’

Zones:6 to 9

Size:1 to 2 feet tall and 2 to 3 base wide

Conditions : Full Lord’s Day ; fertile , well - drained soil

For fast growth and superb silvery foliage , there is no better plant than ‘ Powis Castle ’ artemisia . An almost shrublike perennial , its fine silvery foliage wee it the stark foil for other garden plants . While many artemisia are either invading in the garden or are illiberal of heat and humidness , ‘ Powis Castle ’ is perfectly behaved and stands up to heat and humidity without melt . Pair it with summer- and free fall - blooming salvias ( Salviaspp . and cvs . , Zones 5–11 ) , coneflowers ( Rudbeckiaspp . and cvs . , zone 3–11 ) , and other sun - jazz plants . Its fragrant foliage is a nice added touch , and the works is terrific for found near a path where brush past it will release its fragrant essential fossil oil .

3. Cardoon

Name:Cynara cardunculus

Zones:7 to 9

Size : Foliage up to 3 foot tall and blanket ; flower stalks up to 6 base tall

Conditions : Full Sunday ; moist , well - run out soil

For garden impact , there may be no good plant life than Cynara cardunculus , and for fast maturation , it ranks near the top . This plant will pass most of its life as a large but tidy agglomerate of architectural , silver white foliage , which will be the enviousness of your horticulture neighbors . In its 2d year and beyond , tall tough bloom of youth stalks will egress in late springtime and early summertime to reveal 6 - column inch - diam , thistlelike imperial blossoms . Before the flowers go to come , cut the total plant ( foliage and all ) altogether to the ground . Within a few weeks , unexampled foliage will grow and rest beautiful until a hard frost criticize it down in belated autumn .

4. ‘Black and Blue’ Blue Anise Sage

Name:Salvia guaranitica‘Black and Blue’

Zones:7 to 10

Size:3 to 4 feet tall and wide

Conditions : Full sun to partial shade ; moist , well - drained soil

If you love butterflies and hummingbirds , ‘ Black and Blue ’ blue anise salvia will soon become one of your unspoilt garden friends . It will grow to its full size in the first season , and will flower from June until frost without stopping , well fill up in any gaps that might be present in a newly planted garden . ‘ inglorious and Blue ’ thrive in full sun but will tolerate weak good afternoon tincture , and it will reward any extra fertilizing and water with plentiful quantities of cobalt flowers on long showstopping spires . One of my favored summertime activities is walking through my garden in tardy good afternoon to watch over the hummingbirds fight over this flora .

Troy Marden is a horticulturist and garden designer who has inhabit and garden in Nashville , Tennessee , for 20 years .

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Powis Castle Artemisia

Photo: millettephotomedia.com

Regional Picks: Perennial Hole Fillers - Midwest

Regional Picks: Perennial Hole Fillers - Mountain West

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Sweet Kate Spiderwort

Photo: millettephotomedia.com

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