Ageratum houstonianum 'Blue Horizon' F1

Producing large clusters of brilliant blooms, this makes an excellent cut flower as well as looking beautiful in drifts in garden borders. More
50 seeds 153062 £5.50 In stock
[?]
When in stock, please allow 2-3 working days for delivery.

Or buy this as part of our Blue Mojito Collection.

More Details

One of the longest cut flower and container plants you can grow, which thrives in sun and dappled shade. I love this planted and picked to arrange with purples, blues and greens. It literally glows.

Genus Ageratum
Group/Species houstonianum
Variety Blue Horizon
Type Half-Hardy Annual
Common Name Mexican paintbrush 
Border Position Container, Middle
Soil Type Acid, Alkaline, Chalky, Clay, Fertile, Neutral, Sandy
Scent Unscented
Site Full Sun, Shelter
Moisture Moist but Well-drained
Height 75cm (30in)
Spacing 50cm (20in)
Sowing, Seeds, Planting Sow indoors from February-April. Sow thinly onto the surface of moist, well-drained seed compost. Do not cover seed, seedlings should appear within 1-2 weeks. Transplant when large enough to handle into individual 8cm (3in) pots and grow on in cooler conditions. Gradually acclimatise to outdoor conditions over a fortnight before planting out once all danger of frost has passed. Prefers a sunny spot with fertile, moist but well-drained soil.
Care Tips Water regularly until established. Pick or deadhead to encourage more blooms.
Flowering June-August (or approximately 12 weeks from sowing)
Harvesting Flower production: 2-3 months
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
  • Sow Under Cover/Plant Indoors
  • Direct Sow/Plant Outdoors
  • Flowers/Harvest
Advice

We don't currently have additional advice on using / growing this particular product on our website, but if you do have a question that isn't answered on this page then please give us a call on 0345 092 0283 and we'll happily chat through any queries you may have, or email us on plantadvice@sarahraven.com (for advice on all things growing) or info@sarahraven.com for anything else.

Delivery

Seeds Delivery - When in stock, please allow 2-3 working days for delivery.

Next Day Delivery - Available for next day delivery if ordered before 12:30pm, Monday to Thursday. Applies to in stock seeds and hardware items only.

Click here to find out more information about our delivery rates and times.

Ageratum houstonianum 'Blue Horizon' F1 reviews

There are currently no reviews for this product.