SproutSmart
SproutSmart™ Intelligent Garden Sowing

Holy

Basil
Zone 11a Save Garden

Planting Schedule

Add Holy to your garden to build a schedule and get reminders.
Botanical illustration of Holy
60d to harvest

Holy Basil brings an aromatic rush of cool, bright green fragrance—sweetly herbal with a lightly peppered lift that blooms as the leaves warm in the sun. The foliage forms dense, upright clumps with tender, velvety leaves that are richly fragrant and pleasantly crisp in texture, ideal for everyday garden harvests. Grow Holy for bold, fragrant flavor in fresh garnishes and vibrant sauces, where its lifted aroma shines most clearly.

Sowing Tips

Soil Temperature

Direct sow or transplant when soil at planting depth holds 60°F for reliable germination and early growth.

Expert Note

Keep plants warm and pinch the growing tips early to encourage bushy Tulsi-type basil rather than tall, leggy growth.

Crop Dates

Growing note: In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).
MilestoneDate
Start Indoors—
ClimateFrost-Free Climate
Transplant / Sow OutdoorsOct 1st
Harvest BeginsNov 30th
Harvest EndsFeb 28th

Crop Details

TraitValue
Days to Maturity60
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)10

Today's Conditions

Outdoor planting for Holy in Zone 11a typically begins around 2026-10-01. Wait until soil reaches at least 60°F before transplanting Holy.

Garden Alerts

In frost-free Zone 11a, grow this cool-season crop during the cooler dry season (October–February).

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Marigold Marigold
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Frequently Asked Questions

What’s a common problem for Ocimum tenuiflorum (holy basil), and how do I treat it?
Holy basil commonly suffers from downy mildew and leaf spots when leaves stay wet and air is humid. Water at the soil line, remove heavily spotted leaves, and improve airflow by spacing plants well. If disease is active, use an approved copper-based fungicide and repeat as directed on the label.
How often should I water holy basil during its main growth (about the first 6–8 weeks)?
Keep the soil lightly moist but never waterlogged—holy basil performs best when the top 1 inch (2–3 cm) dries slightly between waterings. In warm, sunny weather this is often every 2–3 days, but adjust to container size and rainfall. Avoid wetting foliage because it increases mildew risk.
How do I know when holy basil is ready to harvest?
Harvest once plants reach about 8–12 inches (20–30 cm) tall and have several healthy sets of leaves, typically around 60 days from sowing. Snip leaf tips and small stem sections above a pair of leaves to encourage branching, and avoid removing more than one-third of the plant at a time. Plants are also ideal for continued harvest before flowers fully open; once flowering starts, leaf quality declines.

Sowing Tips

Soil Temperature

Direct sow or transplant when soil at planting depth holds 60°F for reliable germination and early growth.

Expert Note

Keep plants warm and pinch the growing tips early to encourage bushy Tulsi-type basil rather than tall, leggy growth.

Botanical illustration of Holy

Holy Basil brings an aromatic rush of cool, bright green fragrance—sweetly herbal with a lightly peppered lift that blooms as the leaves warm in the sun. The foliage forms dense, upright clumps with tender, velvety leaves that are richly fragrant and pleasantly crisp in texture, ideal for everyday garden harvests. Grow Holy for bold, fragrant flavor in fresh garnishes and vibrant sauces, where its lifted aroma shines most clearly.