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Gage 'Dennistons Superb'

Prunus domestica | Plum 'Imperial Gage'

Hardy Tree

What is Hardy Tree?

Also known as the Imperial Gage; Dennistons Superb is the most reliable cropping gage

Large; round fruit with pale green skin

Classic gage flavour - juicy and sweet

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Description How to Grow More Info Delivery

This RHS award winner is the most reliable cropping gage – so reliable that it’s often referred to as a plum. 'Dennistons Superb' is also the gage most suited to more northerly gardens. From the middle of August it produces large, juicy, sweet fruit with transparent flesh and a typically fragrant gage flavour.

  • Pollination Group: 2 - Partly self-fertile but fruits better with a pollination partner
  • Rootstock: St Julien A (semi vigorous) reaching an ultimate height of 4-5m
  • Use: Dessert or culinary
  • Cropping period: Mid season (late August)
  • Flowering period: May
Flowering Months Harvest Months
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1 x 13 Litre Potted Tree (St Julien A Rootstock) (KB2552)

Plant plum trees in any well drained soil in a sheltered, sunny position. Prior to planting, incorporate plenty of well rotted manure or garden compost into the planting hole and drive the stake into the ground to support the tree. Staking after planting may result in damage to the root ball. Plant fruit trees at their original soil level and firm them into the ground. Fasten the tree to the stake using a tree tie, and water well.

Fruit trees do not suffer weed competition well. Keep weeds and grass clear from within a 30cm radius of base of the tree. In spring, while the ground is moist, apply a mulch of well rotted manure or garden compost around the base of the tree, taking care not to mound it up against the stem. This will help to retain moisture throughout the summer. Feed and water plum trees during particularly dry periods.

Care should be taken when pruning plum trees to avoid winter pruning as this leaves plums prone to silver leaf disease. In the first spring after planting, select 3 or 4 well spaced branches on a clear trunk of at least 75cm (29"), and shorten them by two thirds. Remove the central stem to just above the highest of the selected branches. Remove any laterals below the selected branches.

In the following spring, select 2 or 3 sub laterals on each branch and shorten these by half to create a balanced, open framework. Remove any weak or badly placed shoots completely. In future years, plums will require pruning in late spring to remove damaged, badly placed or diseased wood. Thin heavy crops when the fruits reach the size of hazelnuts to prevent the branches from snapping under their weight. Allow one fruit every 7-10cm (3-4") along each stem.

Seeds and garden supplies will normally be delivered within the time period stated against each product as detailed above. Plants, bulbs, corms, tubers, shrubs, trees, potatoes, etc. are delivered at the appropriate time for planting or potting on. Delivery times will be stated on the product page above, or in your order acknowledgement page and email.

Orders for packets of seed incur a delivery charge of £2.99.

Orders which include any other products will incur a delivery charge of £6.99.

Where an order includes both packets of seeds and other products, a maximum delivery charge of £7.99 will apply - regardless of the number of items ordered.

Large items may incur a higher delivery charge - this will be displayed in your shopping basket.

Please see our Delivery page for further details, and more information on different charges that may apply to certain destinations.

For more information on how we send your plants please visit our Helpful Guide on plant sizes.

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