Thompson & Morgan
Rollover image for an enlarged view

Ageratum houstonianum 'Blue Danube' F1 Hybrid

Floss Flower

Half-hardy Annual

A large-flowered, vigorous variety of annual ageratum with powder-puff flower heads of soft, lavender blue. The fluffy, weather resistant blooms are particularly attractive to butterflies. With a dense, compact habit, Ageratum houstonianum 'Blue Danube' is perfect for adding texture and colour to bedding, borders and containers. Height: 20cm (8"). Spread: 25cm (10").

Ideal For:
patio, wildlife gardens
Flowering Period:
July, August, September
Sowing Months:
February, March, April
Position:
full sun
    • 1 packet (100 ageratum seeds)

    •  
    • Despatch: by Monday
    • £3.49
Sow from late winter to mid spring at 15-18C (59-64F) in a good seed compost. Sow ageratum seed on the surface of the compost and gently firm down. Keep soil damp but not wet. Do not exclude light. Germination usually takes 10-15 days. When seedlings are large enough to handle, transplant and grow them on in cooler conditions until large enough to plant outdoors. When ageratum plants are well grown and all risk of frost has passed, acclimatise them to outdoor conditions over 7 to 10 days. Transplant outdoors in a sheltered position in full sun on moist, fertile, well drained soil at a distance of 15-30cm (6-12") apart.
Water regularly until ageratum plants are fully established. Deadhead faded ageratum flowers throughout the summer to encourage more blooms to be produced.
Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above.

Despatch: Within 24 hours applies to orders placed online from Sunday to Thursday. Orders placed online on Friday or Saturday will be despatched on Monday. Please note that for Bank Holiday weekends, orders placed Friday to Sunday will be despatched on Tuesday.

Plants, bulbs, corms, tubers, shrubs, trees, potatoes etc are delivered at the appropriate time for planting and will be stated on the product page or in your order acknowledgement page and email.


Orders for packets of seed incur a P&P charge of £1.95.
Orders which include any other products will incur a P&P charge of £4.95.
Where an order includes both packets of seeds and other products a maximum P&P charge of £6.90 will apply - regardless of the number of items ordered.


Please see our Delivery / P&P page for further details and details of any surcharges that may apply to certain destinations.

Post a review
Title of review


Rating 1 2 3 4 5
Comment
You will be redirected to login/registration page to post your review.
Reviews are subjected to approval.