Dark Star S9 is a magenta-fleshed, sweet dragon fruit (pitaya) cultivar of Selenicereus undatus that needs a different variety nearby to set fruit. It flowers May–September and fruit ripens 30-35 days after flowering.

- Flesh colourMagenta
- Brix18-20° · sweet
- PollinationNeeds cross-pollination
- FloweringMay–September
- Bud to flower~25 daysTypical for dragon fruit
- Harvest30-35 days after flowering
Distinguishing features
Dark Star is bred by Paul Thomson, known for its vigorous growth and consistent production of large, uniformly shaped fruit.
Fruit and flavor
Large fruit, typically 1–1.5 lb, with medium-length bracts, and intensely dark magenta-purple flesh that's among the richest-colored of any variety. Complex berry-forward taste with hints of grape and a slight earthy depth. A favorite among collectors.