Ageratum Aloha Blue | Tray of 40 Plug Plants

Ageratum make a great border plant in the garden. They are also really useful as a filler in containers and hanging baskets. Our blue Ageratum plug plants are really easy to grow from plugs. Early blooming with large flowers. You will receive a tray of 40 premium quality professionally produced young plug plants. Plant your plug plants into 10cm (3+1/2”) pots or trays and grow on with cold weather protection, then plant out as soon as the danger of frost has passed.

See the tabs above or click these links for information on: Delivery, Size Guide and Advice.

Brand:  Brookside Nursery
Supplied as:  Tray of 40 Plug Plants
Habit:  Upright
Eventual Height:  10-20cm (4-5")
Eventual Spread:  25cm (10")
Position:  Sun or Partial Shade
Primary Flower Colour:  Blue
Suitable for Hanging Baskets?  Yes
Suitable for Patio Containers?  Yes
Scented?  Not Scented
Plant Type:  Annual
RHS Plants for Pollinators:  Yes
Botanical name:  Ageratum houstonianum

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Free UK delivery on all orders over £50!

For all orders under £50 in value we make a one off P&P charge of £4.95 per order.

Smaller orders are dispatched via Royal Mail 1st Class, larger orders via Parcelforce 24.

We are the only online plug plants supplier to offer a choice of a specific dispatch week for your order. When placing your order, use the drop down box above to select your required dispatch week. You can also alter dispatch weeks in the shopping basket.

All our plug plants are shipped in specially designed packaging to keep the root system in place and the foliage protected in transit.

For more information about plant deliveries, please click here.

For more information about international and Northern Ireland deliveries, please click here.

Size guide - Tray of 40 Plug Plants 

The most economical way to purchase your plants. Securely rooted, strong plants in mini-plugs of compost. Will need to be transplanted and grown on before planting out ready to flower. Tender varieties will need protecting from frost. Compost volume around 2.6cm deep x 1.8cm square. Foliage height 1.5cm-5cm (depending on variety). Full growing instructions are provided.

General Growing Advice

Using a good quality multi-purpose compost, pot up your plugs into 10cm pots.  Once your plug plants have been potted on and labelled, water them in well and grow on for around 5-6 weeks.  Water once the compost starts to dry out but remember, Begonias generally will not thrive if overwatered, so it’s worth keeping an eye on them.

If preferred you can pot on the plugs into hanging baskets, flower bags or pots. Add a slow release plant food like Miracle-Gro Slow Release All Purpose Plant Food  to your compost which will give extra nutrients for strong and healthy plant growth.

Keep plants frost free until mid/late May and then harden off before being placed in their final positions when the risk of frost has passed in your area.

Water as necessary giving a liquid feed such as Neudorff Organic Plant Feed as instructed throughout the growing season.

***For packs of 40 plug plants gently remove the small plugs from the tray by pushing up from the bottom using a pencil. 

Ageratum Specific Advice

Ageratums are generally very easy to grow.

To keep ageratums blooming, regularly dead head the spent blooms.

Watering regularly until ageratum plants are fully established.