Madame Butterfly Snapdragon Seeds (Antirrhinum majus) are one of the most beautiful and distinctive snapdragon varieties available to gardeners and growers. Unlike traditional snapdragons with closed flower faces, the Madame Butterfly series produces unique double blooms with an open, azalea-like appearance that creates a soft, ruffled look in garden beds and floral arrangements.

These elegant flowers are widely grown in containers, landscape plantings, patio pots, and garden beds, and they also make excellent flowers for bouquets. Their tall stems, colorful blooms, and strong performance in sunny gardens make them a favorite among gardeners who want something a little different from traditional snapdragon varieties.

If you’re looking to grow snapdragons from seed with showy double blooms and excellent garden performance, the Madame Butterfly series is an outstanding choice.

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What Makes Madame Butterfly Snapdragons Unique

Madame Butterfly snapdragons are known for their double, open-faced flowers, which give them a completely different look compared to traditional snapdragons.

Instead of the classic “dragon mouth” shape, these blooms resemble small azaleas or miniature roses. This distinctive appearance makes them very popular in decorative plantings and floral arrangements.

Key characteristics include:

• Double blooms with ruffled petals
• Upright growth habit
• Long blooming season
• Excellent container performance
• Beautiful color range

Because of their unique appearance, Madame Butterfly snapdragons are often used as feature flowers in garden displays and container plantings.

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Plant Characteristics

Botanical Name: Antirrhinum majus
Common Name: Garden Snapdragon

Plant Habit: Upright

Garden Height: 24–30 inches 
Garden Width: 14–16 inches 

Exposure: Full Sun

USDA Zones: 9–11

AHS Zones: 12–1

Recommended Uses:

• Containers
• Patio pots
• Landscape beds
• Combination planters
• Garden cut flowers

These snapdragons perform best in sunny locations where they receive several hours of direct sunlight each day.

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Why Grow Snapdragons From Seed

Growing snapdragons from seed allows gardeners to produce large numbers of plants at a low cost while also enjoying a wide selection of colors and varieties.

Snapdragons started from seed are typically more vigorous and adapt well to local growing conditions.

They are also ideal for gardeners who enjoy starting plants indoors and transplanting them outdoors once temperatures warm up.

Snapdragons are among the most rewarding flowers to grow from seed because they produce tall spikes of colorful blooms that last throughout the growing season.

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Germinating Madame Butterfly Snapdragon Seeds

Successful snapdragon production begins with proper germination conditions.

Germination Stages 1 and 2

Germination Time: About 5 days

Media Temperature:
72–75°F (22–24°C)

Light:
Not required for germination

Seed Covering:
Seeds should be lightly covered

Moisture Level:
The soil should remain evenly moist but not overly saturated.

During this stage the soil should appear dark brown and damp, but no free water should be visible on the surface.

Recommended tray size:
288-cell plug trays

Seeds per cell:
1 seed

Using plug trays allows growers to produce uniform seedlings that transplant easily.

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Young Plant Production

Stages 3 and 4

Day Temperature:
66–68°F (19–20°C)

Night Temperature:
66–68°F (19–20°C)

Average Daily Temperature:
67°F (19°C)

Lighting:

Day extension lighting can be beneficial to provide 14 hours of daylight.

Light Intensity:

2,000–3,000 foot candles

Snapdragons respond well to longer day lengths and moderate light levels.

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Media and Fertility Requirements

Madame Butterfly snapdragons prefer slightly acidic growing media.

Recommended Media pH:

5.5–5.9

Electrical Conductivity:

0.5–0.75 mS/cm

Fertilizer:

50–75 ppm nitrogen

Maintaining the correct pH level is important because high pH levels above 6.2 may cause iron deficiency, which results in pale or yellowing leaves.

Proper nutrient management encourages strong root development and healthy plant growth.

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Watering and Moisture Management

Proper watering is critical when growing snapdragons.

The growing media should be allowed to dry slightly between irrigations.

Growers typically alternate between:

Moisture Level 2 (medium moisture)

and

Moisture Level 4 (wet conditions)

Overwatering can cause several problems including:

• Root rot
• Pythium disease
• Weak root systems

Watering earlier in the day and allowing foliage to dry before evening helps prevent disease.

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Plug Production Time

When grown in 288-cell trays, Madame Butterfly snapdragons typically require:

6–7 weeks to produce transplant-ready plugs.

During this stage, young plants develop their root systems and prepare for transplanting into larger containers or garden beds.

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Transplanting Snapdragons

Snapdragons have relatively weak root systems, so they should be handled gently during transplanting.

Before removing plugs from trays, it is helpful to loosen the root ball slightly.

When transplanting:

• Place the plug slightly above the surrounding media
• Do not bury the stem
• Ensure the root ball is fully covered with soil

Burying the stem too deeply can lead to stem rot diseases.

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Finishing and Growing On

After transplanting, snapdragons continue developing until flowering.

Recommended finishing temperatures:

Day: 64–66°F (18–19°C)
Night: 56–58°F (13–14°C)

Average Daily Temperature:

60°F

Light levels during finishing should be higher than during germination.

Recommended light intensity:

4,000–6,000 foot candles

Day extension lighting may be beneficial to provide 14-hour day lengths.

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Fertilizing Mature Plants

Once plants are established, fertilizer levels can be increased.

Recommended fertilizer:

125–175 ppm nitrogen

Balanced fertilization supports strong stems and abundant flowering.

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Plant Growth Regulation

Madame Butterfly snapdragons generally do not require pinching, as this can disrupt their natural flower spike development.

If growth becomes excessive, plant growth regulators may be used.

Common options include:

• B-Nine®
• Bonzi®
• Sumagic®

These treatments help maintain compact growth when needed.

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Container Growing

Madame Butterfly snapdragons perform very well in containers.

Recommended container sizes include:

4.5–5 inch pots
1 quart containers
Trade gallon pots

Plants typically finish in 10–12 weeks after transplanting.

Because of their upright habit and colorful blooms, they are excellent for patio containers and decorative plantings.

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Pests and Diseases

Like many flowering plants, snapdragons may occasionally encounter pest or disease problems.

Common pests include:

• Thrips
• Aphids
• Spider mites

Common diseases include:

• Botrytis
• Downy mildew
• Powdery mildew
• Pythium
• Rust

Maintaining good air circulation and proper watering practices helps prevent many issues.

Thrips should be controlled to prevent virus infections such as:

• INSV
• TSWV

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Using Madame Butterfly Snapdragons in Flower Arrangements

Although Madame Butterfly snapdragons are often grown for containers and landscapes, they also make beautiful garden cut flowers.

Their ruffled blooms add texture and softness to bouquets.

They pair well with flowers such as:

• Dahlias
• Zinnias
• Lisianthus
• Cosmos

For more cut flower seed ideas see:
https://www.trailingpetunia.com/blogs/news/cut-flowers-top-flower-seeds-to-grow-for-beautiful-long-lasting-bouquets?_pos=20&_sid=5216276ca&_ss=r

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Madame Butterfly Compared to Other Snapdragons

Madame Butterfly snapdragons have a very different appearance compared with traditional snapdragon series.

For example:

Maryland snapdragons produce tall, professional-quality cut flower spikes.

Learn more here:
https://www.trailingpetunia.com/blogs/news/maryland-snapdragon-seeds-professional-guide-to-growing-premium-cut-flowers

Rocket snapdragons are known for vigorous growth and heat tolerance.

Learn more here:
https://www.trailingpetunia.com/blogs/news/rocket-snapdragon-seeds-complete-growing-guide-for-strong-garden-and-cut-flowers

Madame Butterfly varieties stand out because of their double blooms and ornamental appearance.

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Why Gardeners Love Madame Butterfly Snapdragons

Gardeners enjoy growing Madame Butterfly snapdragons because they combine beauty and reliability.

Benefits include:

• Unique double blooms
• Attractive container plants
• Long flowering season
• Pollinator-friendly flowers
• Easy seed-starting

Their distinctive flowers make them a standout feature in any garden.

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FAQ – Madame Butterfly Snapdragon Seeds

How tall do Madame Butterfly snapdragons grow?
They typically grow 24–30 inches tall.

Do snapdragon seeds need light to germinate?
Light is not required, but seeds should be lightly covered.

How long do snapdragon seeds take to germinate?
Most seeds germinate within about 5 days under proper conditions.

Are Madame Butterfly snapdragons good for containers?
Yes, they perform very well in patio pots and containers.

Do snapdragons attract pollinators?
Yes, they attract bees and other beneficial insects.

How long does it take for snapdragons to flower from seed?
Plants typically flower within 10–12 weeks after transplanting.

Do snapdragons need full sun?
Yes, they grow best in full sun locations.