







Agastache 'Astello Indigo' Seeds
Agastache Hybrida ‘Astello Indigo’
mint-scented spikes of purple flowers.
Enjoy the allure of Agastache Astello 'Indigo', known for its mint-scented spikes of vibrant purple flowers. Our Agastache seeds give a lush, well-branched growth, perfect for attracting pollinators to your garden. This gold award-winning variety is not just a visual delight but also a quick bloomer, with flowers appearing in just 15 weeks. Easy to grow and maintain, these seeds are ideal for gardeners looking to add a splash of colour and fragrance to their outdoor space.
Approx 10 seeds
- Balcony Friendly
- Fuss Free
- Most Light Conditions
- Hardy Perennial
Agastache 'Astello Indigo' is a charming addition to any cottage garden, prized for its vibrant purple flowers and sweet mint fragrance. This award-winning variety grows quickly and thrives in a range of light conditions, including partial shade. Perfect for attracting bees, butterflies and hummingbirds, it adds both colour and life to your outdoor space.
Delivered within 2-5 working days via our standard delivery
Standard Delivery
For standard delivery, we’ll work with our delivery partners to ensure you receive your delivery within 2-5 working days.
Express Delivery
You can also send this item the next day, just place the order before 11 am and we'll get it sent out the same day to arrive the following day.
Gifting
Want to send this as a gift? We can include a handwritten note, just add what you'd like to write at checkout.
If you’re worried about your delivery or have any other questions please get in touch at [email protected] and one of our team will come back to you as soon as we can.
For more information on our shipping services, have a look at our FAQs.
Agastache 'Astello Indigo' is a charming addition to any cottage garden, prized for its vibrant purple flowers and sweet mint fragrance. This award-winning variety grows quickly and thrives in a range of light conditions, including partial shade. Perfect for attracting bees, butterflies and hummingbirds, it adds both colour and life to your outdoor space.
Delivered within 2-5 working days via our standard delivery
Standard Delivery
For standard delivery, we’ll work with our delivery partners to ensure you receive your delivery within 2-5 working days.
Express Delivery
You can also send this item the next day, just place the order before 11 am and we'll get it sent out the same day to arrive the following day.
Gifting
Want to send this as a gift? We can include a handwritten note, just add what you'd like to write at checkout.
If you’re worried about your delivery or have any other questions please get in touch at [email protected] and one of our team will come back to you as soon as we can.
For more information on our shipping services, have a look at our FAQs.
Grow in Your Garden
Calendar
How to Grow
Start your Agastache 'Astello Indigo' seeds indoors or sown directly outside after the last frost. These plants prefer well-drained soil and will reward you with colourful, fragrant blooms throughout summer.
Sowing
Sow seeds on firm, damp soil and lightly pat down but do not cover. Place in a warm sunny spot and keep well hydrated.

About Agastache 'Astello Indigo'
Ideal for pots or borders, pollinator-friendly, thrives in sun or partial shade, long-lasting blooms.
- Balcony Friendly
- Fuss Free
- Most Light Conditions
- Hardy Perennial

History of Agastache 'Astello Indigo'
Also known as giant hyssop or hummingbird mint, this variety won the Fleuroselect Gold Medal in 2012 for its exceptional beauty and reliable performance. It’s a magnet for beneficial insects, supporting garden biodiversity.
| Other Names | Giant hyssop 'Astello Indigo', Hummingbird mint 'Astello Indigo', Anise hyssop 'Astello Indigo', Wild hyssop 'Astello Indigo' |
|---|---|
| Pet/Baby Safe | Baby & Pet Safe. |
FAQs
Typically from mid to late summer, about 15 weeks after sowing.
It prefers full sun but tolerates partial shade well.
Yes, it thrives in containers with good drainage.

