Blackberry vs Boysenberry: What's the Difference?
Short answer: A blackberry is the familiar glossy black aggregate berry. A boysenberry is a cross of blackberry, raspberry and loganberry — bigger, deeper maroon-purple, softer and juicier, with a richer sweet-tart flavour that leans jammy. Boysenberries are more fragile and less common fresh, so they're often sold frozen or as jam, while blackberries are widely available fresh.
| 🖤 Blackberry | 🫐 Boysenberry | |
|---|---|---|
| Taste | Deep, winey sweet-tart with earthy, almost woodsy notes and gentle tannin; fully ripe berries are lush, underripe ones sour and astringent. Bigger isn't sweeter — black and dull-matte is. | Large and soft with a deep, sweet-tart, winey flavor — richer and more aromatic than a blackberry, with the raspberry's perfume and a maroon, juicy flesh. |
| Type | Berry | Berry |
| Peak season | Summer, Autumn | Summer |
| Origin | Temperate Eurasia and North America — one of humanity's oldest foraged fruits | California (bred by Rudolph Boysen in the 1920s) |
| Calories (per 100 g) | 43 | 50 |
| Sugar (per 100 g) | 4.9 g | 7 g |
| Vitamin C (per 100 g) | 21 mg | 21 mg |
| Fiber (per 100 g) | 5.3 g | 5 g |
| Potassium (per 100 g) | 162 mg | — |
| Typical price | Mid | Mid |
These two dark berries are close cousins. A blackberry is the common glossy black aggregate fruit of Rubus brambles, firm and pleasantly tart-sweet. A boysenberry is a 20th-century hybrid — blackberry crossed with raspberry and loganberry — so it looks like an oversized blackberry but is softer, more maroon-purple, and juicier.
Flavour is the giveaway: boysenberries are sweeter and more aromatic, with a raspberry-ish tang and a jammy depth, while blackberries are cleaner and firmer. That softness is also why boysenberries are hard to buy fresh — they bruise easily and have a short season, so they mostly turn up frozen or as preserves. Blackberries travel better and fill supermarket punnets year-round.
For neighbouring hybrids, see boysenberry vs loganberry vs tayberry; for the classic pairing, see blackberry vs raspberry.
Frequently asked questions
Is a boysenberry just a big blackberry?
No. A boysenberry is a hybrid of blackberry, raspberry and loganberry. It resembles a large blackberry but is softer, more maroon than jet-black, and has a deeper, more complex sweet-tart flavour.
Do boysenberries taste like blackberries?
They're in the same family and share a dark-berry base, but boysenberries are sweeter and more aromatic with a raspberry-like tang, and juicier. Blackberries are firmer and can be more tart when underripe.
Why are boysenberries hard to find fresh?
Boysenberries are delicate, don't ship or store well, and have a short season, so most are frozen or made into jam near where they're grown, notably in New Zealand and the US Pacific coast.