Reliable, heavy-cropping variety
Red-flushed, yellow skinned fruits
Succulent golden flesh which separates easily from the stone
Height Up to 250cm (98.4in)
Spread Up to 250cm (98.4in)
kitchen gardenwildlife gardens
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Plum 'Opal' is one of the most reliable garden varieties, and is suitable for growing throughout the country. Slightly earlier to crop than 'Victoria', this dessert plum produces a heavy crop of excellent quality, small, yellow skinned fruits with an attractive red flush in July and August. The golden flesh easily separates from its stone and has a delicious gage flavour.
This variety is partially self-fertile. For the heaviest crops it is best grown with another variety. If you only have room for one tree then make sure that a neighbour has a tree close by that can act as a suitable pollinator.
Estimated time to cropping once planted: 2 years.
Estimated time to best yields: 4 years.
3 bare root maiden plum trees (St Julien Rootstock) (TKA6761)
2 bare root maiden plum trees (St Julien Rootstock) (TKA6760)
1 bare root maiden plum tree (St Julien Rootstock) (14290)
1 x 24cm potted low stem plum plant (Colt Rootstock) (KB9928)
1 x 7.5 litre potted plum plant (Myrobalan B Rootstock) (KC0814)
These plants are lifted from the nursery field when dormant, and sent to you in late autumn or spring for planting. They often look dead on arrival, but they are just resting in the dormant period and will establish quickly for a strong start in the garden come spring. Set out in prepared soil in holes wide enough and deep enough to lay out the roots. Tread down the planting soil to knock out air pockets. Water well to settle. Apply a mulch to protect roots from cold temperatures. If conditions prevent immediate planting, set roughly into loose soil or a pot of compost (‘heeling in’) to protect the roots. Set these at the same level as they were in the nursery field – you should see a soil line at the base of the stem. Stake trees, taller shrubs and roses to prevent root disturbance.
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 £5.99.
Where an order includes both packets of seeds and other products, a maximum delivery charge of £6.99 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.
Thompson & Morgan strives to ensure that all its plants are delivered to you in the perfect condition for planting. Sadly, the time it takes to deliver to certain locations in the UK means that we can't guarantee this, so regretfully we are unable to ship live plants to the following areas: HS, IV41-IV49, IV51, IV55-56, KW15-KW17, PA34, PA41-48, PA60-PA78, PA80, PH40-PH44, TR21-TR24, ZE1-ZE3
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