HeirloomContainer OK

Lemon Verbena

Aloysia citriodora

No herb delivers a more intense, pure lemon fragrance than Lemon Verbena, making it indispensable for teas, desserts, and potpourri. This South American native produces narrow, lance-shaped leaves that release their incredible citrus scent at the slightest touch. While it requires protection from frost, its unmatched lemon flavor and aroma make it worth the extra care for any serious herb gardener.

Harvest

90-120d

Days to harvest

📅

Sun

Full sun

☀️

Zones

8–10

USDA hardiness

🗺️

Height

6-8 feet

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Start Indoors

Transplant

Harvest

Start Indoors

Transplant

Harvest

Showing dates for Lemon Verbena in USDA Zone 8

All Zone 8 herb →

Zone Map

Click a state to update dates

Lemon Verbena · Zones 8–10

What grows well in Zone 8? →

Growing Details

Difficulty

Moderate

Spacing24-36 inches

SoilWell-draining, sandy loam, good drainage essential

pH6.0-7.5

WaterModerate, 1 inch per week, allow soil to dry between waterings

SeasonWarm season, tender perennial

FlavorIntensely lemony, sweet citrus with no bitter notes

ColorBright green, narrow leaves

Size3-4 inches long, 0.5 inch wide

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 8	February – March	April – May	—	May – December
Zone 9	January – February	March – April	—	April – December
Zone 10	January – January	February – April	—	April – December

Complete Growing Guide

Light: Full sun (6 or more hours of direct sunlight a day). Soil: High Organic Matter, Loam (Silt), Sand. Drainage: Good Drainage, Moist. Height: 6 ft. 0 in. - 8 ft. 0 in.. Spread: 6 ft. 0 in. - 8 ft. 0 in.. Spacing: 3 feet-6 feet. Maintenance: Low. Propagation: Stem Cutting. Regions: Coastal.

Harvesting

Edibility: Leaves and flowers are used in teas, desserts, fruit salads and jams

Storage & Preservation

Fresh lemon verbena leaves maintain peak flavor for only 2-3 days at room temperature in a glass of water, like cut flowers. For longer fresh storage, wrap stems loosely in damp paper towels and refrigerate in plastic bags for up to one week.

Drying preserves the intense lemon fragrance beautifully. Hang small bundles in a warm, dark, well-ventilated area for 7-10 days until leaves crumble easily. Store dried leaves whole in airtight containers away from light — they'll retain potency for up to two years. Avoid crushing until ready to use.

Freeze fresh leaves in ice cube trays with water or oil for instant flavor additions to beverages and cooking. The leaves also make exceptional herbal vinegar — pack fresh stems in white wine vinegar and steep for 3-4 weeks for a bright, lemony condiment that captures the plant's essence perfectly.

History & Origin

Origin: Argentina and Chile

Advantages

+Edible: Leaves and flowers are used in teas, desserts, fruit salads and jams
+Low maintenance

Companion Plants

Rosemary, lavender, thyme, and oregano make the most practical neighbors — all of them want full sun, a soil pH between 6.0 and 7.5, sharp drainage, and light fertilization. NC State Extension specifically groups lemon verbena and lavender together for potpourri and culinary use, and that overlap in purpose reflects a real overlap in care: one drip zone, one fertilizer schedule, no plant getting waterlogged while another bakes. Marigolds nearby can draw in predatory insects that knock back early whitefly and spider mite pressure before it gets established.

Mint is the practical problem — it spreads by underground runners and will push into lemon verbena's root zone within one growing season if you plant them in open ground together. Sink mint in a buried container if you want it within arm's reach. Fennel is allelopathic to a wide range of herbs and tends to suppress growth of whatever's planted close. Black walnut produces juglone from its roots, a compound toxic enough to kill or stunt many garden plants — keep lemon verbena well outside the drip line of any walnut on your property.

Plant Together

Basil

Repels aphids and mosquitoes, shares similar growing conditions

Rosemary

Both Mediterranean herbs with similar water and soil requirements

Lavender

Attracts beneficial pollinators and repels pests like moths and fleas

Oregano

Natural pest deterrent and shares similar drought-tolerant growing needs

Thyme

Repels cabbage worms and aphids, thrives in same well-draining soil

Marigold

Deters nematodes and aphids while attracting beneficial insects

Tomatoes

Lemon verbena may improve tomato flavor and repel hornworms

Peppers

Aromatic compounds help deter aphids and spider mites from peppers

Keep Apart

Black Walnut

Produces juglone toxin that inhibits growth of most herbs including lemon verbena

Fennel

Allelopathic properties inhibit growth of nearby plants including herbs

Mint

Aggressive spreader that competes for space and nutrients

Nutrition Facts

Calories

22kcal(1%)

Protein

0.35g(1%)

Fiber

0.3g(1%)

Carbs

6.9g(3%)

Fat

0.24g(0%)

Vitamin C

38.7mg(43%)

Vitamin A

0mcg(0%)

Vitamin K

0mcg(0%)

Iron

0.08mg(0%)

Calcium

6mg(0%)

Potassium

103mg(2%)

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #167747)

Pests & Disease Resistance

Resistance

Generally disease resistant but sensitive to overwatering

Common Pests

Spider mites, whiteflies, scale insects

Diseases

Root rot from overwatering, powdery mildew in humid conditions

Troubleshooting Lemon Verbena

What you'll see, why it happens, and what to do about it.

Seedlings collapse overnight — stems shrunk and blackened at soil line, roots brown and slimy

Likely Causes

Damping off (Pythium or Rhizoctonia spp.) — triggered by overwatering, poor drainage, or cold soggy soil
Starting seeds in non-sterile mix that holds too much moisture

What to Do

1.Pull and discard affected seedlings immediately; don't compost them
2.Switch to a sterile seed-starting mix and make sure trays drain freely — avoid ground where water stands
3.Water only when the top of the mix feels dry; bottom-watering helps keep the stem base drier

Leaves stippled with tiny pale dots, fine webbing on undersides of leaves, especially in hot dry spells

Likely Causes

Spider mites (Tetranychus urticae) — populations explode when plants are heat-stressed and air is dry
Overcrowded planting that reduces airflow and makes mite colonies harder to spot early

What to Do

1.Spray foliage — especially leaf undersides — with insecticidal soap; repeat every 5 to 7 days for 2 to 3 applications
2.NC State Extension notes that natural predators usually keep mite populations low when plants are healthy, so avoid broad-spectrum pesticides that wipe out beneficial insects
3.Space plants at least 24 inches apart and keep irrigation consistent; drought-stressed lemon verbena draws mites faster than healthy plants do

White powdery coating on upper leaf surfaces, usually appearing in late summer or when nights cool and humidity climbs

Likely Causes

Powdery mildew (Erysiphe or Golovinomyces spp.) — common in humid conditions with poor air circulation
Planting too close together or against a wall that traps moisture overnight

What to Do

1.Maintain the 24- to 36-inch spacing and cut back any surrounding plants that press in on the canopy
2.Remove heavily affected leaves and trash them — powdery mildew spreads by airborne spores, so don't compost
3.NC State Extension recommends cultural controls first for culinary herbs since traditional pesticides aren't labeled for them; a diluted neem oil spray applied in the evening can slow spread on established plants

Sticky residue coating leaves and stems, dark hard bumps or cottony white masses visible on woody canes

Likely Causes

Scale insects (soft or armored scale) — lemon verbena's woody stems at maturity make it a preferred host
Whiteflies — nymphs cluster on leaf undersides and excrete honeydew, which leads to sooty mold blackening the surface

What to Do

1.For scale, scrape off bumps by hand or dab individual colonies with a cotton swab dipped in isopropyl alcohol
2.For whiteflies, apply insecticidal soap directly to the undersides of leaves where nymphs feed; NC State Extension recommends this for severe outbreaks on herbs
3.Cut out heavily infested stems on established plants — at 6 to 8 feet tall, lemon verbena has plenty of wood to spare and regrows well from a hard prune

Frequently Asked Questions

How long does lemon verbena take to grow from seed?▼

Lemon verbena takes 90-120 days from seed to first harvest, but germination is notoriously poor and slow. Seeds need 10-12 weeks indoors before transplanting, then another 8-12 weeks to reach harvestable size. Most gardeners find better success starting with purchased plants or rooted cuttings, which can be harvested in 6-8 weeks.

Can you grow lemon verbena in containers?▼

Yes, lemon verbena actually grows better in containers in most climates because you can control drainage and move plants indoors before frost. Use large pots (at least 12 inches wide) with multiple drainage holes and well-draining potting mix. Terra cotta pots work best as they allow soil to dry between waterings, preventing root rot.

Is lemon verbena good for beginners?▼

Lemon verbena is moderately difficult and not ideal for complete beginners. The main challenges are its zero frost tolerance requiring indoor overwintering and extreme sensitivity to overwatering. However, if you can provide consistent warmth, excellent drainage, and remember to bring it indoors, it's very rewarding with intense lemon fragrance.

What does lemon verbena taste like compared to lemon balm?▼

Lemon verbena has a much more intense, pure lemon flavor without any herbal or minty undertones, while lemon balm has a milder, slightly minty lemon taste. Lemon verbena is closer to actual lemon zest in intensity and works better in desserts and teas where you want strong citrus flavor without bitterness.

When should I bring lemon verbena indoors for winter?▼

Bring lemon verbena indoors before nighttime temperatures drop below 40°F, typically 2-3 weeks before your first expected frost. Don't wait for frost warnings — even a light frost will kill the plant instantly. Gradually acclimate plants to indoor conditions over a week to prevent shock and leaf drop.

Why is my lemon verbena losing its fragrance?▼

Loss of fragrance usually indicates overwatering, over-fertilizing, or insufficient sunlight. Excess water and nitrogen create lush but less aromatic growth. Ensure excellent drainage, reduce watering frequency, provide 6-8 hours direct sun, and fertilize only monthly at half strength to restore the intense lemon scent.