Ferocactus gracilis (a juvenile specimen)
This is is a colorful barrel cactus native to Baja California with nice red spines

Origin: From Mexico (Baja California) to  So. Nevada, even in areas that get as cold -10° C in the winter

Conservation status: Listed in CITES appendix 2.

Synonyms:  Ferocactus peninsulae var. gracilis
 

Description: Ferocactus gracilis is a globular to cylindrical solitary cactus.
Stem:  Up to 150 cm tall, 30 cm in diameter
Ribs: About 24;
Central spines: 7 to 13 reddish-brown  2.5-4 cm long.
Radial spines:  5 or 6.
Flowers: Blooms in summer, flowers are diurnal red or usually golden yellow with reddish mid-stripe.

• The 'gracilis' subspecies usually grows higher than 90cm. it's central spines are less than 5mm wide.a
• The 'coloratus' subspecies seldom grows to up to 90cm high. It's widest central spines are often wider than 5 mm.
• The 'gatesii' subspecies can grow to 150 cm high. It's central spines are only 3 mm wide and curved but not hooked.

Cultivation: Slow growing to start but does well under cultivation. Suited for any rich, well drained soil in full sun troughout the year.   Water during the aestival growth cycle (this plant need plenty of water) But needs to be avoided  wetting the bodies of these plants while they are in sunlight. A wet cactus in the sun light can cause sun burning which can lead to scares or even fungal infections and death.  In winter keep completely dry at 10°C, but can tolerate sporadic light frost.

Propagation: They can be are easily grown from seed!