Alphabetical Plant Listing

Coreopsis verticillata 'Route 66' (Threadleaf Coreopsis)

Threadleaf Coreopsis 'Route 66', Whorled Coreopsis 'Route 66', Tickseed 'Route 66', Cruizin' Series


Blooming from mid-summer to mid-fall, Coreopsis verticillata 'Route 66' (Threadleaf Coreopsis) is a vigorous perennial bearing loads of large yellow daisies, 2 in. across (5 cm), adorned with a ruby-red ring that bleeds down the petal tips, and becomes the dominant color in fall. Each flower has a slightly different mix of yellow and red pigments. Adding cheerful color to the landscape, the blossoms are borne on branched stems over the delicate, finely divided, green foliage. Easy to grow, and tolerant of heat and humidity, this Threadleaf Coreopsis is perfect for sunny perennial borders, mass plantings, or patio containers. As an added bonus, one plant will provide you with long-lasting cut flower bouquets all week.

  • Grows up to 24-28 in. tall (60-70 cm) and 24 in. wide (60 cm).
  • Performs best in full sun in dry to medium moisture, well-drained soils. Tolerates poor soils and is drought tolerant once established.
  • Easy to grow, relatively pest and disease free, this Coreopsis is a favorite of bees and butterflies but is ignored by deer.
  • Very versatile, it is a welcomed addition to beds and borders, and cottage gardens, and does great in containers. Effective as an accent plant and spectacular in mass plantings.
  • Deadheading of spent flowers will promote new blooms, although this can be tedious. Midsummer shearing (after the first flush of flowers) should help tidy up the plant and promote a fall rebloom.

Coreopsis are a favorite of many gardeners thanks to the bright colors of their flowers and their ability to put up with most garden soils. There are over 100 species available and countless hybrids. Most of them are low maintenance, drought tolerant, and enjoy long blooming seasons. Workhorse perennials in the sunny borders, they make excellent cut flowers.

 

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Requirements

Hardiness 5 – 9
Heat Zones 1 – 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Coreopsis
Exposure Full Sun
Season of Interest Summer (Mid,Late)
Fall
Height 2' – 3' (60cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 24" (60cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Showy
Tolerance Deer, Drought
Attracts Butterflies
Garden Uses Beds and Borders, Patio and Containers
Garden Styles City and Courtyard, Coastal Garden, Informal and Cottage

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Ball Horticultural Inc

While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.


Requirements

Hardiness 5 – 9
Heat Zones 1 – 9
Climate Zones 1, 1A, 1B, 2, 2A, 2B, 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Perennials
Plant Family Coreopsis
Exposure Full Sun
Season of Interest Summer (Mid,Late)
Fall
Height 2' – 3' (60cm – 90cm)
Spread 1' – 2' (30cm – 60cm)
Spacing 24" (60cm)
Water Needs Low, Average
Maintenance Low
Soil Type Chalk, Loam, Sand
Soil pH Acid, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Cut Flowers, Showy
Tolerance Deer, Drought
Attracts Butterflies
Garden Uses Beds and Borders, Patio and Containers
Garden Styles City and Courtyard, Coastal Garden, Informal and Cottage

Great Plant Combination Ideas with Coreopsis

Guides with Coreopsis

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