Window Box

Basil

Zone 9a Save Garden

🌱 50d to harvest Bush

Aromatic as a sunlit windowsill, Window Box basil fills the air with a sweet, classic basil perfume and delivers tender leaves th…

Crop Dates

Milestone	Date
Start Indoors	Jan 23rd
Last Frost	Mar 6th
Transplant / Sow Outdoors	Apr 24th
Harvest Begins	Jun 13th
Harvest Ends	Nov 26th

Crop Details

Trait	Value
Days to Maturity	50
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

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Frequently Asked Questions

What pests commonly hit Ocimum basilicum in window boxes, and how can I control them?

In window boxes, basil (Ocimum basilicum) is especially prone to aphids and whiteflies, which cluster on new growth and leave sticky residue. Spray plants with a strong jet of water to knock off aphids, then use insecticidal soap (especially under leaves) every 5–7 days until signs stop. If you see leaf spotting and gray mold-like growth during cool, humid spells, remove affected leaves immediately and increase airflow around the container.

How often should I water Ocimum basilicum during its main growing phase in a window box?

During active growth, keep the soil evenly moist but not soggy: water when the top 1 inch feels dry. Aim for deep watering until excess drains from the bottom, then let it partially dry before watering again to prevent root problems. Basil in small window boxes dries out fast, so check moisture daily in hot weather.

How do I tell when Ocimum basilicum is ready to harvest from a window box?

Start harvesting when plants are about 6–8 inches tall and have formed multiple sets of leaves, typically around 50 days from sowing. Pinch or cut above a leaf pair to encourage bushy regrowth, and harvest regularly before flowering to keep leaves tender and flavorful. If you notice flower buds, harvest immediately and pinch them off to prolong leaf production.

Aromatic as a sunlit windowsill, Window Box basil fills the air with a sweet, classic basil perfume and delivers tender leaves that are richly green and luxuriously soft. This bush basil forms a compact, upright plant with abundant foliage—ideal for harvesting again and again—offering a bright, herbaceous flavor that shines in fresh bouquets and quick infusions. Grow Window Box for its lush texture and dependable, early garden performance at about 50 days to maturity.

Sowing Tips

Transplant Conditions

Wait until soil reaches 60°F and nights stay above 50°F before moving outdoors. Harden off for 10 days first.

Expert Note

Treat “Window Box” as a compact container vegetable and sow once outdoor conditions are safe, keeping the medium evenly moist until seedlings establish.