Opal: flavour and growing
Purplish-red skin, yellow flesh.
This image was created with AI from described plant characteristics and growing advice. It shows a possible situation and is not a photograph of a verified cultivar.
- Position
- Sunny and sheltered, with fertile, moisture-retentive soil; thinning prevents overloaded branches.
- Pollination
- The named cultivars are self-fertile except Cambridge Gage, which is partially self-fertile; additional compatible pollination can help.
- Harvest
- Colour alone is insufficient: the fruit needs to soften and come away easily.
What makes Opal special?
Flavour and kitchen
Dessert plums become sweeter on the tree; cooking types give compote more tang.
This describes the species' flavour; a separate flavour description for this variety has not yet been confirmed.Dessert plums become sweeter on the tree; cooking types give compote more tang.
Growing and harvesting this variety
Sunny and sheltered, with fertile, moisture-retentive soil; thinning prevents overloaded branches.
Colour alone is insufficient: the fruit needs to soften and come away easily.
Choose your way to grow
This image was created with AI from described plant characteristics and growing advice. It shows a possible situation and is not a photograph of a verified cultivar.
This image was created with AI from described plant characteristics and growing advice. It shows a possible situation and is not a photograph of a verified cultivar.
Open crown on a dwarf tree
- Form an open centre with outward-facing framework branches.
- Prune young trees in spring and established trees in summer, on dry days.
- Remove crossing, weak and upright competing shoots.
- Thin overcrowded branches before the weight of fruit can break them.
Choose a cultivar and space that suit this approach.
Gently training strong branches outwards
- Choose only young, flexible branches, not old, rigid wood.
- Move a branch gradually towards horizontal in summer.
- Tie the branch tip to a post or trunk with soft material; prevent rubbing.
- Remove the tie when the branch holds its position independently; check for constriction meanwhile.
Choose a cultivar and space that suit this approach.
Why grow this species in your garden?
Plums offer a whole journey of flavours: an early dessert plum, a sweet greengage and a late fruit for compote. If you have room for one tree, let use and pollination decide together. Think too about reaching heavily laden branches.
Flavour and use
Dessert plums become sweeter on the tree; cooking types give compote more tang.
A suitable spot
Sunny and sheltered, with fertile, moisture-retentive soil; thinning prevents overloaded branches.
Pollination and tree size
The named cultivars are self-fertile except Cambridge Gage, which is partially self-fertile; additional compatible pollination can help.
Pixy or VVA-1 are more compact; St Julian A is more vigorous.
Different ways to grow
Open crown on a dwarf tree: Form an open centre with outward-facing framework branches. Prune young trees in spring and established trees in summer, on dry days. Remove crossing, weak and upright competing shoots. Thin overcrowded branches before the weight of fruit can break them.
Gently bending strong branches: choose only young, flexible branches, not old, stiff wood. In summer, gradually pull a branch towards horizontal. Tie its tip to a post or the trunk with soft material; avoid rubbing. Remove the tie when the branch holds its position independently; check for constriction in the meantime.
Care and pruning
On dry days during the growing season; avoid winter pruning because of silver leaf and bacterial canker.
Harvesting at the right time
Colour alone is insufficient: the fruit needs to soften and come away easily.
Turn your space into a garden for experimenting
Allow space for the mature tree, not just the plant currently in the pot. The cultivar determines part of your fruit choice; the rootstock and tree form also help determine how much space the tree needs. Draw the crown, harvesting reach and support on your garden plan. Before buying, check whether a suitable pollinating partner is needed and whether one actually flowers nearby.
Where necessary, support a young tree with a suitable stake and a wide, soft tie. Do not let the tie rub or constrict the tree, and check it as the trunk and crown grow. Water must reach the root zone; a small wet patch on the surface does not tell you whether the rootball has enough moisture. Take care when planting and follow the species instructions for the correct planting depth.
Keep samples of the different cultivars separate. Record picking ripeness, eating ripeness, texture and the preparation you used. Fruit that tastes pleasant straight from the tree may behave differently in a pie or during storage. For perennial plants, your own flowering and harvest observations are more useful than a fixed countdown from the planting date.
Which flavour would you like to discover?
Opal: Purplish-red skin, yellow flesh.
Victoria: Fresh use and cooking.
Czar: Dark purple, compact tree; mainly for cooking.
Oullins Gage: Self-fertile greengage.
When and how should you prune?
Period for assessing pruning: Jun · Jul · Aug. This is a seasonal window for a temperate garden in the northern hemisphere; check actual dormancy, growth and weather conditions.
During growth, check on a dry day whether pruning is needed. Avoid general winter pruning for Prunus. Follow the species guide for young versus established wood and prune after harvest where appropriate to the species; do not automatically remove all young productive shoots.
A young plant needs shaping; an established one needs maintenance and gradual renewal. First consider which branches you want to keep. Use clean, sharp tools and avoid unnecessary large wounds. A pruning check does not mean cutting every time.
My vegetable garden shows a suitable check for confirmed pruning periods. A variety-specific period takes precedence over the general species period. Planned and finished crops receive no pruning task; no European calendar is applied without a confirmed location.
Read the evidence behind the pruning approach →What you need
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Make it your garden
Save your favourite variety or add it to My garden. Your own observations determine the growth stage; care tasks are based on the species.
Add Opal to my gardenExplore more fruit treesSources and image information
SeedSteps editorial team · checked on 12 October 2026. Flavour descriptions come from the listed sources; ripeness and growing conditions affect flavour. AI images illustrate described characteristics and do not prove cultivar identity.
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