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Antirrhinum majus

'Snapdragon' is a plant in the Antirrhinum genus with a scientific name of Antirrhinum majus. The botanical name epithet for Snapdragon (majus) means 'great'.Snapdragon grows as an annual/perennial and is a flower. Being an annual / perennial plant, it tends to grow either as a single season plant, or a plant that can stay in your garden for many years. Snapdragon is known for its erect habit and growing to a height of approximately 45.0 cm (1.46 feet). This plant tends to bloom in mid summer. Popular varieties of Snapdragon with home gardeners are Dwarf Magic Carpet, First Ladies, Mixed Colors, Tetra Giants, Tetra Mixed and Tall maximum.

Snapdragon is normally quite a low maintenance plant and is normally very easy to grow - great for beginner gardeners!

This plant info is provided by the myfolia gardener's wiki. All details about Snapdragon have been kindly provided by our members.

How to grow Snapdragon

  • Full Sun

    OR +
  • Partial Sun

  • Medium

Pinching out the growing tip will encourage branching and more blooms. After plant is hardened off, it will become very tolerant to colder temperatures.

Plant in a location that enjoys full sun / partial sun and remember to water moderately. Zone 4 to 11 are typically the USDA Hardiness Zones that are appropriate for this plant (although this can vary based on your microclimate). Ideally plant in loamy soil and try to keep the ph of your soil between the range of 6.1 and 6.5 as Snapdragon likes to be in weakly acidic soil. Keep in mind when planting that Snapdragon is thought of as hardy, so this plant will survive close to or on freezing temperatures.

See our list of companion Plants for Snapdragon to see which plants you should plant in close proximity to encourage growth.

Growing Snapdragon from seed

Do not cover seed as they need light to germinate.

Best temperature for germination : 18-20 C (65-68 F) in sowing medium (very low on salts). Do not cover the seeds, but keep humidity high. lighting for 16 hours (= 8 hours dark)

Try to aim for a seed spacing of at least 5.85 inches (15.0 cm) and sow at a depth of around 0.04 inches (0.1 cm). Soil temperature should be kept higher than 13°C / 55°F to ensure good germination.

By our calculations*, you should look at sowing Snapdragon about 56 days before your last frost date .

Transplanting Snapdragon

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Snapdragon is a hardy plant.

By our calculations*, you should look at planting out Snapdragon about 14 days after your last frost date.

Seed Saving Snapdragon

Wait until seed pod dries and shake seed out gently onto paper to dry before storing. Seed is very small, like poppyseeds.

Common Snapdragon problems

These problems, diseases and pests are known to affect Snapdragon plants:

Root rots are common. High fertilizer levels and high salts favor both Pythium and Thielaviopsis. Poorly drained media, especially in cool temperatures also favors Pythium. Other diseases include Botrytis, Downy Mildew, Powdery Mildew, Rust, Tomato Spotted Wilt Virus and Impatiens Necrotic Spot Virus.

Snapdragon Etymology

The common name “snapdragon”, originates from the flowers reaction to having their throats squeezed, which causes the “mouth” of the flower to snap open.

Other names for Snapdragon

Leeuwebekje, Leeubekkie (Afrikaans)

Antirrhinum majus L.

Misspellings: Anthirrhinum, Snap Dragon

Snapdragon care instructions

How long does Snapdragon take to grow?

These estimates for how long Snapdragon takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!

When should I plant Snapdragon?

Our when to plant Snapdragon estimates are relative to your last frost date. Enter your frost dates and we'll calculate your sowing and planting dates for you!


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