Large-flowered tickseed and Threadleaf coreopsis are often considered for the same spot in the garden (flowers, pollinator friendly, container). The data below shows where they differ: size, hardiness, care, toxicity and price.
Coreopsis grandiflora 60 cm × 45 cm after 10 years
A bushy perennial that produces large, golden yellow daisy flowers from early summer into autumn and is good for cutting too. It is happiest in a…
Coreopsis verticillata 60 cm × 60 cm after 10 years
An airy perennial with fine, thread-like foliage, covered in starry yellow flowers from early summer into autumn. It is undemanding and long-lived…
Threadleaf coreopsis grows larger: 60 cm × 60 cm after ten years, against 60 cm × 45 cm for Large-flowered tickseed.
Threadleaf coreopsis is hardier: down to -40 °C, against -34 °C for Large-flowered tickseed.
Large-flowered tickseed tolerates drought better than Threadleaf coreopsis.
Large-flowered tickseed needs less water than Threadleaf coreopsis.
Threadleaf coreopsis needs less care than Large-flowered tickseed.
Threadleaf coreopsis is cheaper: about €5 at the size usually planted, against about €7 for Large-flowered tickseed.
|
Feature
|
Large-flowered tickseed
|
Threadleaf coreopsis
|
|---|---|---|
| Group | Perennial | Perennial |
| Size after 10 years | 60 cm × 45 cm | 60 cm × 60 cm |
| Ultimate size | 30–90 cm × 30–45 cm | 30–90 cm × 45–60 cm |
| Growth rate | Medium | Fast |
| Light | Full sun, Part shade | Full sun, Part shade |
| Soil | Sandy, Average garden soil | Average garden soil, Sandy |
| Hardiness | down to -34 °C (USDA 4, RHS H7) | down to -40 °C (USDA 3, RHS H7) |
| Foliage | Deciduous | Deciduous |
| Flowering | June–September, yellow | June–September, yellow |
| Water need | Low | Medium |
| Drought tolerance | High | Medium |
| Maintenance | Medium | Low |
| Planting distance | 40 cm | 40 cm |
| For dogs | Non-toxic | Non-toxic |
| For cats | Non-toxic | Non-toxic |
| Typical price | approx. €7 | approx. €5 |
Prices are rounded, indicative values. Toxicity data is for information only. If your pet or child has eaten a plant, contact a vet or a doctor. Data updated: October 13, 2026
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