Coreopsis x 'Jethro Tull'
Jethro Tull Coreopsis
Tickseed
Plant Family:
Asteraceae
Herbaceous Plant, Perennial
Flower:
Yellow
Blooms :
Jul
to:
Sep
Flowers (each to 2" diameter) feature tubular golden-yellow rays that are fluted toward the apex. Rays surround darker yellow center disks.
Botanical Description
Fragrant?
No
Foliage:
Green
Elliptic green leaves (to 3" long).
Oregon Native?
No
West State Native?
No
It is a hybrid cross of Coreopsis auriculata 'Zamfir' (female parent) and Coreopsis lanceolata 'Early Sunrise' (male parent).
Site Selection
Minimum USDA Hardiness Zone:
5
Water Needs:
L
Sun Needs:
Partial Sun
Deer Resistant?
Yes
Firewise?
Yes
Height:
15-18"
Spread:
18-24"
Growth Rate:
Medium
Native Habitat:
Coreopsis is a genus of between 75-80 species from North America, Mexico, Central and South America.
Soil:
Easily grown in dry to medium moisture, well-drained soils. Tolerant of Dry Soil, Shallow-Rocky Soil
Care Recommendations
Maintenance Level:
Medium
Fertilizer:
Mulch:
Long Term:
Plants will spread by rhizomes. Clumps may be divided in spring. When grown in borders or other formal garden areas, division may be needed every 2-3 years to maintain robustness.
Winter:
Spring:
Summer:
Plants may be sheared in mid to late summer to promote a fall rebloom and to remove any sprawling or unkempt foliage.
Fall:
Common Problems
Plant stems tend to sprawl, particularly in hot and humid climates with periodic heavy summer rainfall.
Diseases:
Uncommon diseases include botrytis, aster yellows, powdery mildew and fungal spots.
Insects:
Also called: