Bay laurel

Quick facts

Category

herbs woody

Difficulty

beginner

Days to harvest

365 to 730 days

Harvest type

continuous production over weeks or months

Spacing

100 cm between plants

Environment

Temperature

5–30°C

pH

6 to 7.5

EC (hydroponic)

1.2 to 1.8 mS/cm

Daily light

15 to 25 mol/m²/day

Climate and zones

USDA zones

7 to 11 (winter low around -18°C or warmer)

Frost tolerance

frost hardy (handles regular frost)

Season

cool (spring and fall crops)

Viable growing environments:

• outdoor year-round (in zone)
• outdoor in growing season (annual)
• unheated greenhouse / hoop house
• heated greenhouse
• indoor (heated home)

USDA zone bounds reflect outdoor year-round survival. Anywhere outside the bounded zone range, this crop still grows as an annual in the warm months (outdoor_seasonal), under cover (greenhouse), or indoors under lights.

Growing systems

Bay laurel works in:

• media bed (ebb and flow)
• soil bed
• drip / Dutch buckets

Root mass is heavy - thin-channel systems (NFT, vertical towers) can't hold this crop mechanically, hence the system list above.

Growing media

The substrate the roots sit in. Choice depends on the system (clay pebbles don't fit NFT channels; rockwool isn't used in media beds) and the crop (bay laurel works in the media listed below).

Bacterial surface area matters for aquaponics: clay pebbles, lava rock, and pumice double as biofilter substrate. Low-surface media (rockwool, perlite, pea gravel) work in hydroponics but need a separate biofilter in aquaponics.

Nutrient demand by stage

NPK ratios are relative weights at each growth stage; the nutrient mix calculator scales them to absolute grams or ml. EC targets shift through the plant's life: seedlings need a much lighter solution than fruiting adults.

Aquaponics suitability

Not recommended for pure aquaponics. Fish waste alone doesn't provide enough of the nutrients this crop demands (typically potassium, calcium, or boron). It can be grown in a hybrid system where the reservoir is supplemented with hydroponic-style nutrients, but expect to dose actively.

Care notes

A long-lived container plant that works well in greenhouse hydroponic and aquaponic systems. Not a fast-growing crop; bay laurel is a perennial investment that produces leaves for decades. Large container (30 L) with well-drained media (perlite, expanded clay). EC 1.0-1.8 mS/cm. pH 6.0-7.0. Temperature: 10–28°C (tolerates brief frost to about -8°C once established; young plants are more cold-sensitive). Full sun to partial shade (DLI 12-20 mol/m2/day). Growth is slow: 15–30 cm per year. Harvest individual leaves as needed, or prune branches and dry the leaves. Dried bay leaves retain flavor for 12-18 months stored in sealed containers. Fresh leaves have a stronger, slightly more bitter flavor than dried. The plant can be trained as a standard (single trunk with a rounded head) or left as a multi-stemmed shrub. Scale insects are the most common pest; inspect regularly and treat with horticultural oil if found. Bay laurel is a practical addition to any herb section of a hydroponic greenhouse: one plant, maintained for years, provides a steady supply of an expensive dried herb ($15-40/kg retail for quality Turkish or Mediterranean bay leaves).

Further reading

• Best crops for hydroponic beginners
• The Kratky method: grow lettuce with zero electricity