Coreopsis verticillata 'GRANDIFLORA' thread leaf coreopsis, tickseed
size/type
mid-sized perennial,mid-sized perennial
usual height
0,4-0,6m
usual width
0,3-0,4m
leaves
deciduous broadleaf
colour of leaves
flowers
showy
colour of flowers
blooming time
June-September
location
full sun
USDA zone (lowest)
4 (down to -34°C)
winter protection
for zone 5+6
for zone 7
categorized
Coreopsis
Coreopsis - tickseed is a wonderful, maintenance-free perennial which shines its way through any garden with rich-coloured flowers all summer long. You can have a country garden or be a city garden enthusiast, coreopsis will still have features suitable for your plot. Thread leaf tickseed is probably the most sought after species in the market. It is tough, reliable, hardy, and apart from removing last year's stems it requires no care.Description of the plant:
Grandiflora is a thread leaf tickseed variety, not to be mistaken for coreopsis grandiflora which is a different species. Its daisy-like flowers are bright golden-yellow with 8 accuminate petals, and appear for an extremely long flowering period from early summer (June) until the last warm days of autumn. Deadheading will enhance flowering and make the plant look nicer but is not necessary. It flowers abundantly every year without any help.The fluffy, thread-like leaves are very decorative on their own yet before the flowers come out. And if you don’t mind me saying that they look like dill (without the scent). The desirable advantage of this variety is that it is not invasive, and does not seed itself around like some other coreopsis species, especially annuals. Grandiflora is very similar to a newer, shorter variety called Zagreb. Both the varieties are compact and bushy, but Grandiflora is taller and grows some 50 cm tall.
It will grow in nearly any soil, and as it withstands drought it is popular for rockeries. Grow it in full sun, possibly with a slight partial shade. No fertilizing required. Making it a glowing feature in your perennial garden bed is the reasonable and expected way of using it. But placing it among shrubs with different foliage and flowers will mean an honour for this easy and affordable beauty. Fully hardy to min. -34°C (USDA zone 4).
Last update 27-12-2018
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GLOSSARY
- STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
- DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
- EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
- STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
- HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
- SHRUB - a woody plant with branches growing bushy from the ground level.
- HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
- FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
- GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
