Greek Columnar

Family: Lamiaceae Herb

Fragrant as a sunlit herb garden, Greek Columnar basil unfolds with a steady, upright habit and richly aromatic leaves that perfume the air with classic sweet-basil charm.

The foliage is tender and velvety, with a crisp, succulent texture that holds its character beautifully in fresh applications and quick flavoring. Grow Greek Columnar for bold, clean basil notes in sauces, pesto-style blends, and bright finishing garnishes.

Light: Full SunMaturity: 60 DaysHabit: Upright

Botanical illustration of Greek Columnar

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

Crop Dates

Milestone	Date
Start Indoors	Mar 14th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Jun 6th
Harvest Begins	Aug 5th
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	60
Sun Requirements	Full Sun
Growth Habit	Upright
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 herb-volume: its upright, tender leaves chop clean and keep a crisp, succulent mouthfeel rather than collapsing into bitterness. Use it early in a quick blend or as a late finishing scatter so that sweet, floral basil stays bright instead of fading under heavy heat.

Best Uses

wilt-and-stir quick basil sauces that stay green and fragrant
Greek-style pesto where the leaves stay buoyant instead of turning stringy
fresh chopping for finishing—scatter over beans, grilled fish, or warm grains right before serving
blended into vinaigrettes or yogurt sauces for a cooling herb hit

Flavor Profile

classic sweet-basil perfume bright, clean aromatic lift tender, velvety leaves with a crisp bite

Kitchen Pairings

garlic olive oil lemon parmesan feta mozzarella

Frequently Asked Questions

What pest or disease most commonly affects Ocimum basilicum (Greek Columnar) and how can I control it?

A frequent problem is downy mildew (often spotted as yellow patches on leaf tops with gray-purple growth underneath), especially when leaves stay wet overnight. Remove infected leaves early, water at the soil line (not over the foliage), and improve airflow by thinning plants so leaves aren’t touching. If it’s spreading quickly, use an appropriate labeled fungicide for basil/downy mildew and treat at the first signs.

How often should I water Ocimum basilicum during the main growing phase?

During active growth (after it’s established and before harvest), keep soil consistently moist but never waterlogged—about 1 inch (2–3 cm) of water per week, split into 1–3 deep waterings. Check the top 1 inch of soil; water when it feels just barely dry on the surface. In containers, basil often needs more frequent checks (typically every 1–3 days in warm weather).

How do I tell when Greek Columnar basil is ready to harvest?

Start harvesting around 60 days when plants have a sturdy, upright habit and produce lots of healthy side shoots along the stem. Harvest when leaves are well-sized (generally before flowering); pinch or cut just above a pair of leaves to encourage branching. For best flavor, pick in the morning and avoid removing more than about one-third of the plant at any single time.