Heirloom

Bronze Queen

Nicotiana langsdorffii

Bronze Queen (Nicotiana langsdorffii)

Wikimedia Commons · (CC BY-SA 3.0)

Bell-shaped, chocolate-purple blooms dance on contrasting bright green stems. Long stems add movement and interest to arrangements. Nicotiana flowers continuously for most of the season when cut back regularly. Blooms are relatively fragile and have a short vase life (5-7 days), making them best for casual bouquets, design work (not requiring a long vase life) and home cutting gardens. A favorite of pollinators and hummingbirds. Also known as flowering tobacco.

Harvest

70-80d

Days to harvest

📅

Sun

Full sun

☀️

Zones

1–11

USDA hardiness

🗺️

Height

3-4 feet

📏

Planting Timeline

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Start Indoors
Transplant
Direct Sow
Start Indoors
Transplant
Direct Sow

Showing dates for Bronze Queen in USDA Zone 7

All Zone 7 flower

Zone Map

Click a state to update dates

CANADAUSAYTZ3NTZ3NUZ3BCZ8ABZ3SKZ3MBZ3ONZ5QCZ4NLZ4NBZ5NSZ6PEZ6AKZ3MEZ4WIZ4VTZ4NHZ5WAZ7IDZ5MTZ4NDZ4MNZ4MIZ5NYZ6MAZ6CTZ6RIZ6ORZ7NVZ7WYZ4SDZ4IAZ5INZ6OHZ6PAZ6NJZ7DEZ7CAZ9UTZ5COZ5NEZ5ILZ6WVZ6VAZ7MDZ7DCZ7AZZ9NMZ7KSZ6MOZ6KYZ6TNZ7NCZ7SCZ8OKZ7ARZ7MSZ8ALZ8GAZ8TXZ8LAZ9FLZ9HIZ10

Bronze Queen · Zones 111

What grows well in Zone 7?

Growing Details

Difficulty
Easy
Spacing18-24 inches
SoilWell-draining loam enriched with compost
WaterRegular; consistently moist but not waterlogged
SeasonWarm season annual
ColorChocolate-purple

Zone-by-Zone Planting Calendar

ZoneIndoor StartTransplantDirect SowHarvest
Zone 1May – JuneJuly – AugustJuly – September
Zone 2April – MayJune – JulyJune – August
Zone 11January – JanuaryJanuary – FebruaryJanuary – March
Zone 12January – JanuaryJanuary – FebruaryJanuary – March
Zone 13January – JanuaryJanuary – FebruaryJanuary – March
Zone 3April – MayJune – JulyJune – August
Zone 4March – AprilJune – JuneJune – July
Zone 5March – AprilMay – JuneMay – July
Zone 6March – AprilMay – JuneMay – July
Zone 7February – MarchApril – MayApril – June
Zone 8February – MarchApril – MayApril – June
Zone 9January – FebruaryMarch – AprilMarch – May
Zone 10January – JanuaryFebruary – MarchFebruary – April

Complete Growing Guide

Growing Bronze Queen (Nicotiana langsdorffii) flower. Light: Full sun. Hardy in USDA zones 1 to 11. Days to maturity: 70. Difficulty: Easy.

Harvesting

Bronze Queen reaches harvest at 70 - 80 days from sowing per Johnny's Selected Seeds. As an annual, harvest continues until frost ends the season.

This is an ornamental variety — not grown for harvest. Enjoy in the garden landscape.

Storage & Preservation

Fresh Bronze Queen blooms last 5-7 days in water at room temperature, or 7-10 days if refrigerated at 34-40°F in a cool room away from ripening fruit (which produces ethylene gas that wilts flowers). Use clean vases, change water every 2-3 days, and trim stem ends at a diagonal angle to maximize water uptake. Strip all foliage below the waterline.

For preservation, air-dry flowers by hanging small bunches upside-down in a warm, dark, well-ventilated space for 2-3 weeks; dried Bronze Queen flowers retain color and can be used in dried arrangements indefinitely. Alternatively, press flowers between parchment paper under weights for 2-3 weeks to preserve them flat for crafts or pressed-flower art. Freezing is not practical for ornamental flowers. Dried blooms work beautifully in potpourri or as decorative accents in herbal crafts.

History & Origin

Nicotiana langsdorffii, Langsdorff's tobacco, is a species of flowering plant in the nightshade family Solanaceae, native to Brazil. Growing to 1.5 m (4.9 ft) tall by 0.5 m (1.6 ft) broad, it is an annual plant with large sticky leaves up to 10 in (25 cm) long. It bears 2 in (5.1 cm) long, nodding, tubular bell-shaped flowers that are apple green in colour, with blue anthers. N. langsdorfii lacks fragrance, unlike some of the other tall species. It is grown as an ornamental garden plant.

Advantages

  • +Stunning chocolate-purple blooms contrast beautifully with bright green stems
  • +Continuous flowering throughout season when regularly deadheaded or cut back
  • +Long stems perfect for adding movement and visual interest to arrangements
  • +Highly attractive to pollinators and hummingbirds, supporting garden ecosystems
  • +Easy to grow with minimal care requirements for beginners

Considerations

  • -Very short vase life of only 5-7 days limits commercial appeal
  • -Fragile blooms unsuitable for formal arrangements requiring extended longevity
  • -Requires regular cutting back to maintain continuous blooming performance

Companion Plants

Marigolds (especially Tagetes patula) and nasturtiums do real work alongside Bronze Queen. Marigolds emit thiophenes from their roots that deter soil nematodes, and their flowers draw in predatory wasps that take on the same aphids and whiteflies that target Nicotiana. Nasturtiums act as a trap crop — aphids genuinely prefer them and pile on first, which keeps pressure off your Bronze Queen without any intervention from you. Sweet alyssum and catmint pull in hoverflies and lacewings within a 3-4 foot radius; the larvae of both species are voracious aphid predators, so planting them nearby adds a layer of biological control you don't have to manage.

Black walnut is a hard no — juglone, the compound it releases through roots and decomposing leaf litter, damages a wide range of plants, and Nicotiana is sensitive enough that even a tree 30 feet away can cause wilting and decline. Sunflowers aren't as severe, but they compete aggressively for shallow soil moisture and are known hosts for Alternaria leaf spot fungi that spread readily to neighboring plants.

Plant Together

+

Marigolds

Repel nematodes and aphids while attracting beneficial insects

+

Nasturtiums

Act as trap crops for aphids and cucumber beetles

+

Sweet Alyssum

Attracts beneficial insects like lacewings and parasitic wasps

+

Zinnia

Attracts pollinators and beneficial predatory insects

+

Cosmos

Provides habitat for beneficial insects and adds vertical interest

+

Catmint

Repels ants, aphids, and rodents while attracting pollinators

+

Lavender

Deters pests with aromatic oils and attracts beneficial pollinators

+

Petunias

Repel aphids, tomato hornworms, and other garden pests

Keep Apart

-

Black Walnut

Produces juglone toxin that inhibits growth of many flowering plants

-

Eucalyptus

Releases allelopathic compounds that suppress nearby plant growth

-

Sunflowers

Can produce allelopathic compounds and compete aggressively for nutrients

Pests & Disease Resistance

Common Pests

Whiteflies, spider mites, aphids

Diseases

Powdery mildew (in humid conditions), leaf spot fungi

Troubleshooting Bronze Queen

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

Leaves stippled silver or bronze, with fine webbing on the undersides, especially during hot dry stretches

Likely Causes

  • Two-spotted spider mite (Tetranychus urticae) — populations explode when temperatures stay above 85°F and humidity drops
  • Water stress making plants more susceptible

What to Do

  1. 1.Blast the undersides of leaves with a strong stream of water every 2-3 days — it knocks mites off and they rarely climb back
  2. 2.Keep soil consistently moist; drought-stressed plants attract heavier mite pressure
  3. 3.If the infestation is bad, apply insecticidal soap (2 tablespoons per gallon of water) in the early morning, coating leaf undersides thoroughly
White powdery coating on upper leaf surfaces, usually appearing mid-summer when nights cool down

Likely Causes

  • Powdery mildew — most likely Erysiphe or Golovinomyces spp. — thrives when days are warm and nights drop below 65°F
  • Poor airflow from crowded planting at less than 18-inch spacing

What to Do

  1. 1.Remove and trash the worst-affected leaves immediately — don't compost them
  2. 2.Thin plants or stake neighboring plants back to restore airflow between stems
  3. 3.Spray with a baking soda solution (1 teaspoon baking soda + 1 teaspoon horticultural oil per quart of water) weekly as a preventive once you see the first signs
Sticky residue on stems and leaves, with small clusters of pale soft-bodied insects at growing tips and flower buds

Likely Causes

  • Aphids — likely green peach aphid (Myzus persicae), which is strongly attracted to Nicotiana species
  • Ant activity farming aphid colonies, protecting them from predators

What to Do

  1. 1.Pinch off and discard the most heavily infested growing tips
  2. 2.Spray affected areas with insecticidal soap, making sure to coat the stem joints where aphids cluster — repeat every 4-5 days for 2-3 rounds
  3. 3.Check for ant trails and, if present, use a sticky band around pot rims or nearby stakes to cut off their access to the colonies

Frequently Asked Questions

How long does Bronze Queen Nicotiana take to bloom from seed?
Bronze Queen reaches peak flowering 70-80 days from planting. If you start seeds indoors 6-8 weeks before your last frost date and transplant after frost danger passes, you'll have blooming plants by mid-to-late summer. Direct sowing after last frost extends timing by 1-2 weeks. Blooms continue prolifically through fall until frost if deadheaded regularly.
Is Bronze Queen Nicotiana good for beginners?
Yes. Bronze Queen is an easy-to-grow heirloom that tolerates beginner mistakes well. It germinates reliably, needs no special starting equipment, and thrives on basic care: full sun, consistent watering, and occasional deadheading. The main challenge for new gardeners is avoiding the temptation to skip deadheading—regular removal of spent blooms is the key to continuous flowering.
Can you grow Bronze Queen in containers or pots?
Yes, Bronze Queen grows well in containers 12+ inches deep and wide. Use quality potting soil (not garden soil), which drains faster in pots and reduces rot risk. Container plants dry faster than in-ground plants, so check soil moisture daily, especially in heat. Fertilize every 2-3 weeks since watering leaches nutrients from pots. Deadhead faithfully for the same continuous bloom as ground-planted varieties.
Why are my Bronze Queen flowers drooping or wilting after cutting?
Bronze Queen flowers are naturally delicate and wilt quickly in warm air or out of water. Harvest in early morning when stems are fully hydrated. Immediately place cut stems in clean, room-temperature water; remove all foliage below the waterline. Avoid handling petals—even slight bruising causes visible discoloration. Expect 5-7 days of vase life; this is normal for the variety, not a sign of improper care.
What does Bronze Queen Nicotiana need to flower continuously?
Bronze Queen needs three things for non-stop blooming: (1) full sun—at least 6 hours daily; (2) consistent moisture—water when the top inch of soil dries; (3) deadheading—remove spent flowers every 2-3 days. Neglecting deadheading allows the plant to produce seeds, which signals flowering to slow. Regular fertilizing (every 3-4 weeks with balanced formula) also sustains heavy flowering.
Can you save seeds from Bronze Queen Nicotiana?
Yes. Allow some flowers to fade on the plant rather than deadheading them. Once flower petals drop, seed pods develop and mature over 3-4 weeks, turning brown and papery. Cut the entire seed head and hang in a dry place indoors. Once fully dry (2-3 weeks), crack open pods and collect thousands of tiny seeds. Store in cool, dry conditions in a sealed jar; seeds remain viable for 3-5 years.

Growing Guides from Wind River Greens

Where to Buy Seeds

Sources & References

External authority sources used in compiling this guide.

See the Methodology page for how this data is sourced, what's AI-assisted, and known limitations.

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