Sweet Pea Early Mammoth Mixed (30)

Extra early extra large blooms are the feature of this award winning sweet pea. Strong stems bearing 5-6 large, fragrant blossoms in a wide colour range, are produced earlier than Spencer types. A superb performing garden variety.

Sow sweet pea seeds indoors in October for transplanting outdoors in spring, or direct sow outdoors from March to April.

In autumn, sow 3 seeds per 7.5cm (3") pot at a depth of 1cm (1/2") in free-draining, seed sowing compost. Place in a propagator or seal container inside a plastic bag at a temperature of 20-25C (68-77F) until germination which takes 10-21 days. Once germinated, grow sweet peas on in cooler conditions, before transferring to a cold frame for overwintering. Spring sowings can be made outdoors directly into drills at a depth of 2.5cm (1"), and a distance of 7.5cm (3") apart. Pinch out the growing points of each stem once the second pair of leaves has opened to encourage bushier growth.

In spring, plant out sweet peas at a distance of 23cm (9") apart in any well drained garden soil in full sun. Train the stems onto a suitable support such as trellis or a free standing climbing frame. 

• Can be grown in any moist to well-drained soil in full sun.
• Height: 150cm
• Spread: 30cm

Note On Christmas Deliveries - The last day for deliveries to go out by post or courier this year is 20th December however we strongly advise early ordering as we cannot always guarantee delivery before Christmas too close to this date bearing in mind factors like weather conditions, roads etc. during the  winter season.

Most of our products are now available for delivery nationwide, up to 30kg, via courier service. Exceptions include bulk items such as tonne bags, mature trees and furniture, which we can only deliver within the local area by arrangement (see below for estimated delivery charges for these items).

Our standard delivery charge for items ordered online is €9.95 for any order up to 30kg, regardless of the number of items included. Should your order exceed 30kg, we may contact you to arrange for a surcharge to cover the delivery costs. Please also note that whilst we may take orders from many different countries, we can only arrange delivery within the Republic of Ireland.

If you wish to order seeds only, our standard postage fee is €3.80 regardless of the number of seed packets you order.

There is currently no postage fee for the the purchase of Gift Tokens.

For orders received by 2pm, we will endeavour to ship these within 3 to 5 working days. Please ensure that you remove all plant items from their packaging immediately upon arrival and water if necessary as we cannot be responsible for damage caused to plant health if they have been left packaged beyond their delivery date.

For all "Click 'n' Collect" orders made before 2pm, please allow at least 24 hours before collection. There may be occasion where we have to transport stock from one garden centre to another for example, which may cause some delay. In such circumstances you will be notified by email. Please check your emails before setting off to collect your order. 

We would also add that, despite our best intentions a plant may not be looking its best and in such cases we will suggest substitutes or organise a refund. 

Please click on the the following to review our Returns Policy and Terms of Use.

For bulk items including tonne bags, mature trees and furniture, these must be made by arrangement by contacting [email protected] or calling 071 966 7091. For full details of our delivery charges including approximate fees for local delivery of bulk items please click here >>>

If you are looking for more information about this product or wish to see our full range, please visit one of our stores in Boyle or Roscommon
Town, where our friendly, qualified staff are always available to give advise and answer any questions you may have. 

Our Stores:

Ardcarne Garden Centre - Boyle
Ardcarne Garden Centre
F52 RY61 Boyle

Ardcarne Garden Centre - Roscommon Town
Ardcarne Garden Centre
F42 HW99 Lanesboro Road

Our opening hours are available at the bottom of each page.

For full details of our locations including maps, please visit our Location pages.

Since the first seed catalogue was published in 1855, Thompson & Morgan has grown to become the UK's largest Mail Order Seed and Plant company.

"Our product range has also expanded to include an award winning seed range, young plants, bulbs, seed potatoes, onions and garlic sets, soft fruit and fruit trees as well as an extensive range of gardening supplies. All have been carefully selected through stringent testing and trials to make gardening a pleasure and a success for our customers." - Thompson & Morgan