Plum ‘Opal’ Trees: CaringForOpalPlums In The Garden. Teo Spengler's avatar.Fortunately, Opalplumtrees are very resistant to plumtree diseases. This makes Opalplumcare much easier. Expect to do some plumtree pruning, however, to build a strong frame for the fruit. European plum 'Opal', also known as Damson 'Opal', Greengage 'Opal'. European plum 'Opal' is a genus of flowering fruit trees that includes almonds, cherries, plums, peaches, nectarines, and apricots. Prunus Domestica 'Opal'. Opal is a cross between Early Favourite and Oullins Gage. Flowering Group: 3. Pick: Late July. Use: Eating. Description Opal was bred in Sweden and released in 1925 and is a cross between a plum and a gage. OpalPlum on Myrobalan (Spring 2026). An early, easy, and delicious European plum . Ths tree is very hardy and vigorous, with a rounded, dense habit. It is productive, and precocious - it will bear as early as its third growing season. This is a great tree for the backyard... Pollination of Opalplumtrees. Opal (Prunus domestica) is in flowering group 3. Opal is self-fertile and does not need a pollination partner, but fruiting may be improved if there is a compatible partner of a different variety nearby.Choose another variety. How to careforplumOpal: When planting your plumtree, prepare a hole up to three times the diameter of its root system. Fork over the base of the pit in readiness, incorporating plenty of organic matter into the backfill and planting hole. Plum 'Opal' is one of the most reliable garden varieties, and is suitable for growing throughout the country.Care should be taken when pruning plumtrees to avoid winter pruning as this leaves plums prone to silver leaf disease. Discover Organic Prunus domestica Opal, a hardy, self-fertile plum variety producing abundant, small, delicious, dark red plums to enjoy fresh or cook with. Harvest from late July to mid-August.Prunning and after-carefortrees. OpalPlum. $35.00. Decrease quantity.Oulling X Early Favorite; Swedish introduction, 1948. Ripens in August. This productive European plum bears a reddish fruit with yellow flesh, excellent for fresh eating. Pollen Group B. 3-5 foot trees. ‘Opal’ is a spectacular hardy tree that is ready to harvest from July until September.Ideal for adding to wildlife or kitchen garden, this Plumtree is incredibly easy to carefor and will be happy planted in a sunny position. Plum 'Opal' produces delicious, sweet plums with golden flesh. Ideal for eating fresh or baking. Free delivery over £50. OpalPlumTree Options Explained. Pixy / VVA1 Grows to 3.0m: 150-180cm tall, 12-15L pot. 2-3 years old, all essential pruning completed.Alan, Yes, I have received the (OpalPlum) tree, which is in good order and happy, planted with care in its new home. Opal. Shropshire. Growing PlumTrees in Pots – Patio Care Guide. Common Patio PlumTree Problems.In that case, growing plumtrees in pots is the perfect solution for you. Keep reading for our top growing tips. What Size Pot for a PlumTree?