Siling Haba

Siling haba is a mild to moderately hot finger pepper essential to Filipino cuisine, growing 5-7 inches long with a slender profile. Known for its bright green colour and crisp texture, it's prized for adding gentle heat and fresh pepper flavour to soups and stews without overwhelming the dish. This versatile chili is harvested young and green, though it will ripen to red if left on the plant.

History & lineage

Siling Haba - "long chilli" in Filipino - is one of the Philippines' essential cooking peppers, occupying a culinary role distinct from the Siling Labuyo's small-and-fierce profile. Where Labuyo is the foundational hot chilli for spicy Filipino dishes, Siling Haba is the foundational mild cooking chilli used in the country's many lightly-spiced soups, stews, and braises.

The variety has been cultivated across the Philippines for centuries, having arrived through the Spanish galleon trade between Acapulco and Manila in the 16th and 17th centuries that established Philippine chilli cultivation. Like other Philippine chillies, Siling Haba descends from Mexican Capsicum annuum stock but has been shaped by centuries of Filipino selection for traits suited to local climate and cooking traditions.

The defining culinary application is in sinigang - the iconic Filipino sour soup featuring meat or seafood with vegetables in a tamarind-soured broth. Sinigang traditionally requires Siling Haba added during cooking; the chilli provides gentle heat that complements rather than overwhelms the soup's sour profile, plus structural body to the broth. The variety has become so embedded in sinigang preparation that one of its alternative names - "Siling Pangsigang" - literally means "chilli for sinigang".

Siling Haba also features in nilaga (boiled meat soup), various braised dishes, and as a fresh garnish chopped into table sauces. The mild heat (typically 1,000-5,000 SHU) suits volume use in Filipino home cooking, where the chilli appears in many household preparations without dominating dishes. The variety has spread modestly through Philippine diaspora communities, with Asian grocers in major UK cities reliably stocking fresh Siling Haba alongside the better-known Siling Labuyo for Filipino cooking applications.

Culinary uses

Essential ingredient in Filipino sour soups (sinigang), blood stew (dinuguan), and coconut-based dishes. Used fresh in salads like kilawin, chopped into sisig, and added whole to simmering dishes. Typically used green and unripe for its crisp texture and moderate heat.

Growing it in the UK

Annuum is the forgiving group, and the right place to start. Seed germinates readily in warmth, the season is short enough to finish outdoors in a good summer, and February to early March is soon enough to sow. Germination is given as 7-14 days. At 75 days to maturity it is one of the quick ones: sown in March, it will be picking well before the light goes.

At 45–75 cm it wants a 7- to 10-litre pot and a sheltered spot: a greenhouse, a porch, or the sunniest wall you have. The record puts the yield at heavy, so start feeding weekly with something high in potassium as soon as the first fruit sets — a plant carrying that much will run out of steam otherwise.

Thin walls dry quickly, which makes a glut easy to deal with.

Read from this variety's own record — the figures are in the panel opposite.