Agastache nepetoides Seeds (Yellow Giant Hyssop)

Yellow Giant Hyssop, scientifically known as Agastache nepetoides, is a perennial herbaceous plant native to North America. It is commonly referred to as Yellow Giant Hyssop or Yellow Giant Anise Hyssop. This species features attractive yellow flowers with tubular petals arranged in whorls on tall, upright stems. Growing up to 4 feet in height, it thrives in moist to wet soil conditions and is often found in woodland areas, along stream banks, and in meadows. Yellow Giant Hyssop is suitable for USDA hardiness zones 4 to 8. Gardeners can propagate this plant by obtaining Agastache nepetoides seeds.

Growing Agastache nepetoides from Seed

• Growth cycle: Perennial
• Watering: Medium
• Sunlight: Full Sun
• Suitable climates: Humid Continental, Subarctic, Tundra
• Where to grow: Outdoors
• Flower color: Yellow

Germinating Yellow Giant Hyssop Flower Seeds

To germinate Agastache nepetoides, plant the seeds in well-draining soil. Maintain a consistent temperature of around 70°F (21°C) and keep the soil consistently moist. Germination can take 1-3 weeks.

We source all of our Agastache nepetoides seeds from a small greenhouse facility based in southeastern Maine and store them in a dark, temperature-controlled environment before shipment. You’ll find that our fresh Yellow Giant Hyssop seeds are much easier to germinate than the mass-produced packets of flower seeds found in stores! If you have any trouble growing Yellow Giant Hyssop seeds, we’re happy to send you additional gardening tips. In the (unlikely) event that your Agastache nepetoides seeds do not germinate at all, we’ll give you a full refund, no questions asked.

We offer this variety on Etsy, eBay, and Amazon, as well!

Shipping & returns

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