How to Grow Snapdragons & Care Guide

The cool-season hue of snapdragon (Antirrhinum majus) and its mid-size plant, Antirrhinum majus, make it an excellent choice for flower beds.

Learn how to grow snapdragon so that you can enjoy its early spring blossoms.

Snapdragons come in a variety of heights and sizes, allowing gardeners to choose from a wide spectrum of hues.

They come in a variety of colours, save for blue, making them easy to match or contrast with other spring flowers.

Snapdragons can grow to a height of up to one metre (3 ft) or as little as six inches (1 cm) (15 cm.).

One of the first duties of the late winter gardening season is to plant snapdragons.

To get the most out of your snapdragons, plant them early in the growing season so that they are able to withstand frost.

How to Grow Snapdragons

Snapdragon maintenance should include a few strategically placed clips to shape this plant into a bushy, full-bodied specimen once it has been planted in full light with well-draining soil.

To encourage more flowers and a more visually appealing planting, remove the top stem and any long side shoots.

Staking may be necessary for tall snapdragon kinds to stay erect.

With temperatures beginning to cool in the fall, you can expect more flowers if you cut the plant down by one-third to one-half after the summer blossoms begin to fade.

Snapdragons and Angelonia can be planted together to create a similar-looking flower in the summer garden.

In addition to proper hydration, snapdragons require further attention. As a rule, keep the soil moist during the first several weeks of snapdragon’s growth.

When snapdragons are well-established, they need to be watered every day. When there is no rain, provide about an inch of water per week.

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To ensure the health of your snapdragon, avoid watering it from above.

Before watering, let the soil dry to a depth of about an inch once it has been established.

The removal of wasted blooms is part of the care of the Snapdragon. When cultivating snapdragon, mulch is appropriate.

Snapdragons, despite being commonly sold as an annual, are actually short-lived perennial plants that, with appropriate care, can return year after year.

Ideas for Planting Snapdragons

Native to the Mediterranean region, this plant can withstand deer damage and thrives in sunny, remote places that are prone to pest nibbling.

Even from deer browsing, snapdragons in the vegetable garden may provide a measure of protection.

Grow snapdragons in your garden and bring them indoors to use in floral centrepieces. Many types of snapdragons emit a pleasant scent.

Make the landscape more beautiful by planting snapdragons in the shady regions. Before you begin planting, prepare the soil by adding organic material.

The snapdragon, when properly cared for, will produce an abundance of early blossoms in your garden.

Propagating Snapdragons

As nursery seedlings, Snapdragons are relatively inexpensive and easy to grow, but you can also reproduce them from stem cuttings if you like.

When you’ve got a healthy parent plant, cut off a 2-inch length of stem below a leaf node.

Dip the bottom of the cutting in the rooting hormone after removing the lower leaves.

Using seed starter mix or potting soil, plant the cutting and cover the pot with a plastic bag or dome to keep the cuttings moist.

You can remove the cover and continue growing under a bright window or under artificial illumination once a strong root system has formed.

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Depending on where you live, you may want to wait until the last frost to transplant your seeds outside.

How Grow Snapdragons from Seed

Snapdragons can be winter-seeded in cooler climates by simply tossing seeds into the garden soil in the late fall.

A few weeks before the final forecast frost, you can also direct-sow them in the garden. It’s not uncommon for snapdragons to be started indoors six to 12 weeks before the last projected frost date.

Press the seeds into the dirt with your hands or a spatula, using a seed starting mix or potting soil.

To germinate snapdragon seeds, place the tray under bright lights that are only a few inches above the tray.

For 16 hours a day, keep the light on, gradually increasing the intensity as the seedlings mature.

Pinch off the top of the stem when the seedlings have six true leaves (approximately 3-4 inches tall) to promote branching and business.

A few weeks before your latest frost date, transplant snapdragons outside. It’s fine if you get a small frost or two on the Snapdragons.


Most of the time, these annual-like perennials are treated as biennials.

Although snapdragons can overwinter, they never appear to produce the same amount of blooms as in their initial year.

In the first year, they should produce seed pods; if you’re lucky, they may even self-sow.

Common Pests and Plant Diseases

Snapdragons are susceptible to rust fungus. Snapdragons should be grown elsewhere in the garden the next year if rust appears.

Mold, fungal leaf spots, downy mildew, wilt, and root rots can all affect this plant.

Pesticides or horticultural oils may be required in cases of significant infestations of aphids and spider mites, which are the most prevalent pests.

How to Get Snapdragon to Bloom. The vibrant blossoms of the sassafras plant are well-known.

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In early spring, they begin to bloom, and they will continue to do so throughout the entire season.

If you’re looking for long-lasting perennials, go no further than these.

You may obtain the best results from your snapdragons by altering the quantity of sunshine they receive, whether it is in full sun or partial shade.

Keep your plant’s blooms numerous by deadheading the withering flowers.

Common Problems With Snapdragon

Snapdragons are a summertime staple that never goes out of style.

During the summer months, they’re bright and lively and memorable additions.

It’s possible that snapdragons have minor issues that can be easily remedied:

Wilting Leaves, Fewer Flowers

Too much heat and sunlight will cause the growth of Snapdragons to decline.

Trim them to stimulate new blooms and less wilting by moving them to a cooler, shadier location.

Yellow and Brown Flecks on the Leaves

There is a fungal illness known as snapdragon rust that causes yellow specks to get darker and larger, with brown or black centres, in the earliest stages of the disease.

To prevent snapdragon rust, you must prevent it from occurring in the first place.

Allow the air to circulate around your plants by reducing the size of your clumps of vegetation. When watering your snapdragons at night, do not do so at all.

Plants Toppling Over

In shady areas, taller types of snapdragons may become top-heavy and tumble over.

Using supports to keep plants upright is the simple solution.

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