Pesto Perpetuo

Basil

40d to harvest

Fragrant, living variegation is the first delight of Pesto Perpetuo—frilly leaves edged in creamy gold catch the light with a sweet, classic basil perfume. Expect tender, medium-sized foliage with a softly puckered, velvety texture that feels lush in the hand and shines in the pot or garden bed. Ideal for fresh bouquets of flavor and for making aromatic pestos, it’s a standout variegated basil for gardeners who want beauty and bold fragrance in every harvest.

Crop Dates

Growing note: In frost-free Zone 10a, grow this cool-season crop during the cooler dry season (October–February).

Milestone	Date
Start Indoors	—
Climate	Frost-Free Climate
Transplant / Sow Outdoors	Oct 1st
Harvest Begins	Nov 10th
Harvest Ends	Feb 28th

Crop Details

Trait	Value
Days to Maturity	40
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

Frequently Asked Questions

What’s a common basil (Ocimum basilicum) pest or disease and how can I fix it quickly?

Downy mildew is a frequent problem on Ocimum basilicum, showing as yellow patches on top leaves with grayish growth underneath. Improve airflow by spacing plants and watering at the soil line (not the leaves), then remove badly affected leaves immediately. If it’s actively spreading, switch to a labeled fungicide for basil downy mildew and repeat according to the label schedule.

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

During active leaf growth (roughly weeks 2–6), keep the soil evenly moist but never waterlogged—aim for the top 1 inch to dry slightly between waterings. In warm, full-sun conditions, this often means watering about 1–2 times per week, increasing if containers dry faster. Consistent moisture prevents leaf drop and keeps the foliage tender for pesto.

When is Ocimum basilicum ready to harvest for pesto?

Harvest when plants are about 6–8 inches tall and have multiple sets of leaves, typically around 40 days from sowing/transplanting. Cut above a leaf pair to trigger branching, taking no more than about one-third of the plant at a time for continued regrowth. For best pesto flavor, harvest in the morning and use fresh leaves immediately.