How to Grow Tayberries | Care, Pests & Disease Control

Diseases

Grey mould

low

Botrytis cinerea

Soft brown fruit decay; Fuzzy grey-brown mould

Named directly on RHS's own growing-guide page as "grey mould"; The Economic Botanist separately names "botrytis blight" -- the same pathogen (Botrytis cinerea), recorded once against the existing entity rather than…

Powdery mildew

low

Named directly by The Economic Botanist as "powdery mildew".

Pests

Glasshouse red spider mite (two-spotted spider mite)

low

Tetranychus urticae

Named directly by both RHS and The Economic Botanist as "spider mites".

Fruit flies

low

Tephritidae (various spp.)

Named directly by The Economic Botanist as "fruit flies".

Birds (fruit)

moderate

Aves

Named directly on RHS's own growing-guide page; netting recommended.

Aphids

low

Aphididae (various spp.)

Named directly by both RHS and The Economic Botanist.

Raspberry beetle

moderate

Byturus tomentosus

Named directly on RHS's own growing-guide page.

Quick Facts

Factor	Value
Soil pH	6 - 7
Sunlight	6-8 hours direct sun
Minimum survivable temp	-29C
Soil texture	Fertile soil (RHS); rich in organic matter, amend heavy clay or use raised beds (The Economic Botanist)
Drainage	Well-drained, avoiding winter waterlogging (RHS)
Lifecycle	Deciduous shrub with biennial canes, often thornless or lightly prickled (RHS; The Economic Botanist).
Edible parts	fruit

At a Glance

Soil & Growing Conditions

Water: Prefers consistently moist but not waterlogged soil; avoid overhead watering to reduce disease risk (The Economic Botanist)

Soil pH range

6 7

Span reflects genuine variation between the cited authorities, not a single agreed figure.

Growth Stages

Stage	BBCH	Notes
Planting and establishment	0	Plant mid-autumn to early spring, spaced 2.5-4m apart depending on vigour, against horizontal wires 45cm apart with the lowest wire 45cm above the ground (RHS). Cut first-year canes back to healthy buds 20-25cm from the ground immediately after planting.
Vegetative growth (first-year canes)	3	Vigorous arching canes, often thornless or lightly prickled, reaching 1.5-2.4m (RHS; The Economic Botanist). Full sun gives the best fruiting, though in warmer regions afternoon shade helps prevent the plant overheating (The Economic Botanist).
Fruiting (second-year canes)	6	Most growth fruits on second-year canes (RHS).
Harvest and pruning	8	Harvest July-August (RHS) -- The Economic Botanist gives a slightly earlier mid-summer (June-July) window. Prune out old, fruited canes at the base every year after harvest.

Harvest & Storage

When to pick: Red fruit, usually longer than a raspberry, ready July-August (RHS). Pick fully ripe fruit on dry days (The Economic Botanist). Sharper than raspberry but usually sweeter than loganberry; best for jams and cooking, though it can be eaten fresh (RHS).

Tayberry, a Sweeter Cross Between Raspberry and Blackberry

A vigorous flowering bramble

Bred at the Scottish Horticultural Research Institute in Dundee, deliberately started from the American 'Aurora' blackberry to improve on the loganberry.

Flowers precede the summer fruit

White bramble flowers appear before the fruit ripens through July and August.

Ripening on the cane

RHS: fruit is red and usually longer than a raspberry, harvested in July and August.

Sweeter than a loganberry

RHS describes the fruit as "usually sweeter than a loganberry" and "sharper in flavour than a raspberry."

A generous summer harvest

Combining the large, sweet fruit of a blackberry with the aromatic quality of a raspberry, in one deliberately-bred hybrid.

References

1. Royal Horticultural Society - How to grow blackberries and hybrid berries (tayberry)

   Tayberry: raspberry x blackberry cross, red fruit usually longer than a raspberry, sharper than raspberry but usually sweeter than loganberry, best for jams/cooking or fresh, harvest July-August. Recommended variety 'Tayberry' AGM: vigorous hybrid, large sweet fruit, canes often thornless. General hybrid-berry guidance: sunny sheltered site (fruits in light shade too), fertile well-drained soil avoiding winter waterlogging. Plant mid-autumn to early spring, spacing 2.5-4m depending on vigour. Horizontal wires 45cm apart, lowest wire 45cm above ground. Prune old fruited canes to base after summer/autumn harvest; first-year canes cut back to healthy buds 20-25cm from ground after planting. Pests: grey mould, raspberry viruses, aphids, raspberry beetle, spider mites, birds (netting needed). Propagation: stem-tip layering mid-late spring.

2. The Economic Botanist - Tayberry

   Bred in Scotland in the 1970s by Derek Jennings, crossing European blackberry with red raspberry. Popular in Europe and North America since introduction. Hardy USDA zone 5 (-20F/-29C). Cool-temperate preference; afternoon shade recommended in warmer areas to prevent overheating. Soil: well-drained, fertile, slightly acidic to neutral, organic-matter-rich; amend heavy clay or use raised beds. Full sun, 6-8hrs/day for best fruiting. Size 5-8ft, arching canes, thornless or lightly prickled. Propagation: mainly cuttings; seed needs stratification. Pests: aphids, spider mites, fruit flies -- treat with neem oil/insecticidal soap. Diseases: powdery mildew, botrytis blight, rust -- prevent via pruning for airflow and avoiding overhead watering. Harvest mid-summer (June-July), pick fully ripe on dry days.

2 independent sources are cited for this crop. Where they disagree - soil pH is the clearest case - every figure is preserved rather than averaged into false precision.