Catmint and Daylily are often considered for the same spot in the garden (flowers, pollinator friendly, ground cover, container). The data below shows where they differ: size, hardiness, care, toxicity and price.
Nepeta × faassenii 50 cm × 80 cm after 10 years
A loose mound of grey-green, aromatic foliage that carries clouds of lavender-blue flowers from May to September and is a favourite of pollinators.…
Hemerocallis × hybrida 80 cm × 60 cm after 10 years
Garden daylilies are almost indestructible, long-lived perennials: above a clump of arching, grassy leaves they carry trumpet-shaped flowers for weeks…
Daylily is hardier: down to -40 °C, against -29 °C for Catmint.
Catmint needs less water than Daylily.
Catmint is cheaper: about €7 at the size usually planted, against about €9.90 for Daylily.
|
Feature
|
Catmint
|
Daylily
|
|---|---|---|
| Group | Perennial | Perennial |
| Size after 10 years | 50 cm × 80 cm | 80 cm × 60 cm |
| Ultimate size | 30–90 cm × 0.4–1.2 m | 0.2–1.5 m × 30–90 cm |
| Growth rate | Fast | Medium |
| Light | Full sun, Part shade | Full sun, Part shade |
| Soil | Average garden soil, Sandy | Average garden soil, Clay |
| Hardiness | down to -29 °C (USDA 4, RHS H7) | down to -40 °C (USDA 3, RHS H7) |
| Foliage | Deciduous | Deciduous |
| Flowering | May–September, blue, purple, white | May–September, yellow, orange, red, pink, purple, white |
| Water need | Low | Medium |
| Drought tolerance | High | High |
| Maintenance | Low | Low |
| Planting distance | 50 cm | 50 cm |
| For dogs | no data | Non-toxic |
| For cats | Mildly toxic (uncertain) | Toxic |
| For children | no data | Non-toxic |
| Typical price | approx. €7 | approx. €9.90 |
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 8, 2026
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