Greek Columnar Basil

Family: Lamiaceae Herb

Aromatic as fresh-cut summer air, Greek Columnar Basil fills the garden with a bright, sweet herbal fragrance and a clean, lightly peppery bite.

Its upright, column-like growth forms dense, tender leaves with a smooth, velvety texture that stays flavorful from first harvest through repeated cuttings. Grow Greek Columnar Basil for standout fresh use and for stirring into fragrant sauces, finishing oils, and quick pick-me-up infusions that showcase its signature basil character.

Light: Full SunMaturity: 60 DaysHabit: Bush

Botanical illustration of Greek Columnar Basil

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Mar 28th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Jun 20th
Harvest Begins	Aug 19th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Bush
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	70
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Culinary Notes

Chef's Note

Greek Columnar Basil is built for eating at the speed of summer: its tender, velvety leaves turn fragrant without going harsh when you keep the heat light and the stirring off-heat. Use it where aroma matters—finishing oils, herb yogurts, and quick sauces—so you get that sweet perfume with a crisp, lightly peppery snap.

Best Uses

torn-leaf salads dressed at the last second so the oils stay vivid
Greek-style quick sauces and herb yogurts (stir in off-heat to avoid bitterness)
pesto-like pastes and mortar sauces where it keeps a smooth, fragrant texture
finishing olive oil or vinegar infusions—steep briefly for a bright, non-musty basil note

Flavor Profile

sweet, perfumed basil aroma clean lightly peppery bite tender, velvety leaf texture that stays pleasant in heat-light applications

Kitchen Pairings

lemon olive oil feta Greek yogurt mozzarella chicken

Frequently Asked Questions

What pest or disease commonly affects Ocimum basilicum (Greek Columnar Basil), and how do I treat it?

Greek Columnar Basil is prone to downy mildew and leaf spotting in humid conditions, often showing yellowing patches on the upper leaves with a fuzzy gray/purple growth underneath. Remove and discard infected leaves immediately, improve airflow around plants, and avoid wetting the foliage when watering. If it keeps spreading, apply a labeled basil-safe fungicide according to the product directions and stop harvesting treated leaves until the label allows it.

How often should I water Greek Columnar Basil during the main growing phase to keep it healthy?

During active growth, keep the soil consistently moist but not waterlogged—aim for the top 1 inch (2–3 cm) to dry slightly before watering again. In full sun, this is often about 1–2 times per week, but adjust so you never see prolonged wilting or soggy soil. Water at the base of the plant to prevent damp leaves, which increases the risk of mildew.

How can I tell when Ocimum basilicum (Greek Columnar Basil) is ready to harvest?

Harvest when plants reach about 8–12 inches (20–30 cm) tall and have formed plenty of pairs of mature leaves, typically around 60 days. Pinch or cut just above a leaf pair to encourage branching, and harvest in the morning when leaves are crisp and aromatic. If you see flower buds forming, harvest again promptly but expect reduced leaf production as the plant shifts to flowering.