Reviewing
Ammi Majus Seeds26 Feb 2026
Quick Germination
Happy with how quick and easy germination was.
Robbie P.Verified buyer
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
- Low Maintenance
- Tolerates Most Light
- Hardy Perennial
Agastache 'Astello Indigo' Seeds – Quick Growing Guide
Agastache 'Astello Indigo' seeds produce mint-scented flowers that attract pollinators and thrive in partial shade. Sow from March to September, enjoy blooms from mid-summer, and benefit from a hardy, cottage garden favourite tolerant of shade and well-drained soil.
How to Sow, Grow and Harvest Agastache 'Astello Indigo' Seeds
- Sow:March–September, direct outdoors or in pots
- Germination:10–21 days
- Grow:Full sun to partial shade, well-drained soil
- Water:Regular watering, keep soil moist but not waterlogged
- Harvest:Flowers from mid-summer; deadhead to prolong bloom
- Best for:Cottage gardens, pollinator-friendly borders, pots, shade-tolerant flower beds
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 via our contact page and one of our team will come back to you as soon as we can.
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Grow in Your Garden
Agastache 'Astello Indigo' – Mint-Scented Purple Blooms
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4.7
Based on 3 reviews
100% would recommend this product
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3 reviews
Reviewing
Roman Chamomile Seeds21 Feb 2026
Bought Chamomile
I haven't planted the seeds yet but if they're as good as the ones I've brought in the past I'll be more than happy.
Fred J.Verified buyer
Reviewing
Cornflower Seeds21 Feb 2026
LOVED
Got sent them as a gift and loved the instructions on sowing - very helpful
Posey C.Verified buyer