November 2025

Are Agastache invasive? Agastache plants are not considered invasive and are, in fact, native in parts of North America—particularly the prairies, plains, and forested areas of the upper Midwest and Canada. That said, it will readily self-seed when left to grow in favorable conditions. Once established, agastache will spread fairly vigorously from seed. To collect […]

How do you take care of Agastache in the winter? Cutting Back Agastache For Winter In areas with regular snowfall, the top growth should be cut back in late fall. Cut the top growth to within 4-6 inches of the soil level. Add a layer of mulch over the crown to protect and insulate it

What is the lifespan of Agastache? Agastache, on the other hand, typically live for three to five years. If yours are only lasting one year, watch for too much water, whether it’s winter wetness, soil that’s too “heavy,” or too much watering during the growing season. They will survive part shade, especially afternoon shade in

Is Agastache Blue Fortune better than Blue Boa? Blue boa’ anise hyssop is an improvement on ‘blue fortune’. The large fragrant flower spikes are larger and deeper blue in color, verging on violet. The foliage is a bright green and wonderfully fragrant when touched. agastache blue fortune the ultimate drought resistant long blooming perennial that

Is Agastache easy to grow from seed? Majority of agastache are terrible self seeders. What was source of your seeds? Winter sowing works wonders/ read FAQ wintersowing forum/ and easiest way to do it. You can do it inside as well, easy warm germinator. Sow in trays using a free-draining compost, gently press the flower

Do night scented stocks come back every year? Also known as evening stock plants, night scented stock is an old-fashioned annual that reaches its peak fragrance at twilight. Perfect for attracting pollinators such as bees and butterflies, Stock Night Scented Seeds can be grown alongside other fragrant flowers or in a dedicated section of the

When to sow night-scented stock? Sow directly from March-June, in shallow drills, in light and well-drained soil. Thin out to 30cm apart and keep well watered, especially during dry spells. Do not allow soil to become waterlogged. The young plants will tolerate light frost, but in colder climates, young seedlings may need some protection. Sow

Why does night-scented stock only smell at night? Night-scented plants are those which have evolved to attract nocturnal pollinators. For this reason their petals tend to be pale in colour – often white – to better reflect the moonlight. Night-scented plants often have a strong perfume to guide insects to their flowers on the darkest

What to do with night-scented stock after flowering? In fall, specifically late Fall, pruning is advised to prepare the plant for winter by removing any spent flowers and seed pods, which promotes better growth the next season and helps control self-seeding if not desired. Fruit bushes, including blueberries and blackcurrants, plus gooseberries and redcurrants should

How long do night scented stocks last? Flowers early summer through autumn. Will self-seed. Annual). Bloom Months Stock flowers bloom in the spring and summer months of May through July. In cooler weather, they can also bloom in the fall. What to do with night-scented stock after flowering? In fall, specifically late Fall, pruning is