Plantes d’extérieur
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herb
Le potager ornemental de Catherine
Agastache neomexicana
New Mexico hummingbird mint here refers to Agastache neomexicana, an aromatic plant with small spikes of pink flowers. Its foliage releases a strong lavender and anise fragrance, while its 40 to 60 cm (15.7 to 23.6 in) stature suits a border or container. The seed supplier describes it as a biennial or short-lived perennial, generally living for two or three years. A modest bloom may already appear in the first year. This life cycle calls for planning replacement plants while enjoying their long flowering presence and visits from pollinating insects in the garden.
To begin growing it, sow indoors in early April or directly in the garden in June. The seeds need a very light covering, about 1 mm (0.039 in) deep. The seed supplier lists germination in under ten days at 18–20 °C; this refers to seedling emergence, not the appearance of flowers. Keep the surface moist without soaking it, and provide good light after germination. Then set the plants in full sun in well-drained soil, spacing them about 30 cm (11.8 in) apart. Gradually acclimatizing seedlings started indoors helps them adjust to the more variable conditions of the garden or balcony.
The leaves and flowers of this agastache can be used in herbal tea or as seasoning. Start with a small amount to appreciate their fragrance before adding more to a preparation. A location beside a path lets you follow the bloom and pick a few leaves without walking through the bed. Also leave some flower spikes for the insects that visit them. For winter, the seed supplier reports good survival in zone 4 under conditions suitable for the plant. Above all, maintain effective drainage and monitor clump renewal: its short lifespan is part of its normal cycle, even when it withstands cold.
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