If you’re looking to add a splash of color to your garden during the cooler months, consider planting snapdragons (Antirrhinum majus). These vibrant flowers not only brighten up your flower beds but also perfectly complement both the taller plants at the back and the shorter ones at the front.
Snapdragons come in a delightful array of colors—although you won’t find them in blue—and their varying heights, from a petite 6 inches to a lofty 3 feet, make them versatile for any garden layout.
With varieties ranging from dwarf to tall, there’s a snapdragon to suit any space. These plants thrive in the early spring, offering a beautiful display of blooms when many other plants are still dormant.
Hardy enough to withstand frost, snapdragons are ideal for early planting, making them one of the first tasks for gardeners as winter wanes. Their ability to handle cooler temperatures and their fragrant blooms make them an excellent choice for an abundant and vibrant garden early in the season.
Snapdragons: A Perennial Favorite in Seasonal Gardens
Annual blooms like snapdragons offer a vibrant splash of color to your garden beds, pots, and window displays. They’re a delightful mix alongside traditional favorites such as nasturtiums, petunias, and marigolds.
Snapdragons particularly stand out due to their prolonged bloom time and striking presence in any garden setup. In warmer regions, they often thrive as biennials or short-lived perennials, gracing gardens for around two seasons.
Snapdragons have a rich heritage, cherished over generations as a staple in cool-season floral arrays. Their vivid flowers blend seamlessly with pansies and violas, and they make stunning additions to mixed container arrangements or as freshly cut flowers for indoor vases.
These plants are not only a visual treat with their array of bright colors but also play a crucial role in supporting bumblebees with their nectar.
Recognized for their unique flower shape, which mimics a dragon’s snout and snaps open and closed, snapdragons are a botanical marvel. They bloom in an impressive spectrum of colors, making them a versatile choice for gardeners looking to add life even during the colder months in milder climates.
Snapdragons, also known as Antirrhinum majus, which translates to “like a snout,” are straightforward to cultivate and have long been a fixture in quaint cottage gardens.
Children and bees alike are drawn to these plants, available in various colors and heights, suitable for diverse gardening needs. They flower from early summer to fall, with taller varieties serving as excellent choices for cut flowers due to their longevity in water.
The plant’s leaves, spirally arranged and lanceolate, complement the striking flowers that bloom abundantly in cooler conditions, presenting a vivid display from spring through fall. Despite a slowdown during mid-summer heat, regular watering can rejuvenate snapdragons, extending their beauty into the autumn.
Snapdragons are a gardener’s ally, available in a range of heights and forms—from petite ground covers to towering spires nearly four feet high. Innovations in breeding have introduced even more diversity, including trailing types ideal for hanging baskets and wall plantings.
Starting snapdragons indoors ahead of the last frost can optimize their growth cycle, allowing gardeners to enjoy their splendor soon after planting out. These flowers are not just visually appealing but also beneficial to pollinators like butterflies and hummingbirds while being resistant to deer, adding further value to their cultivation.
In every imaginable color, snapdragons continue to captivate, with pink varieties particularly fetching for their dreamy, cottage-garden aesthetic. They are not just plants but a symbol of enduring garden charm, adaptable to both early chills and late frosts, and are perfect for enriching gardens in cooler temperatures.
Snapdragon Flower Basic Info
- Common Name: Snapdragon
- Botanical Name: Antirrhinum majus
- Plant Family: Plantaginaceae
- Type of Plant: Annual; short-lived perennial in zones 9 or warmer
- Native Origin: Southwestern Europe
- Sun Exposure: Full sun to part shade
- Mature Size: 6 to 48 inches tall and 6 inches to 3 feet wide
- Toxic to pets: No
Where to grow snapdragons
Snapdragons thrive in abundant sunlight, needing at least six hours of direct exposure each day. While they can handle a bit of shade in the afternoons—particularly in warmer regions—they generally flourish less under these conditions. Known for their preference for cooler weather, snapdragons may pause their blooming and appear a bit worn by the late summer heat.
When they start to look untidy, a quick trim can often revitalize them, encouraging new growth as the weather cools in autumn. Applying a balanced fertilizer can also help boost their flowering.
These plants are versatile, growing well in rich, well-drained soil and enjoying the sunshine, whether planted in garden borders or pots. However, they yield fewer flowers in partial shade.
Ideal for cottage gardens, snapdragons add a vibrant touch to any garden border and are perfect for planting in various settings like landscape beds, raised gardens, or window boxes.
They are particularly striking in mixed containers alongside other annuals like pansies and are excellent for cut flower gardens. Ensure containers have adequate drainage to prevent waterlogging.
Snapdragons, originally from the Mediterranean, are resistant to deer, making them suitable for sunny spots that might attract wildlife. Adding them to your vegetable garden can help deter deer. Their showy, often fragrant, blooms are also perfect for indoor arrangements, brightening up any room with their colors.
When to Plant Snapdragons
Snapdragons are a resilient choice for early spring planting, as they can handle cooler temperatures. You can get them in the ground about six weeks before your area’s last expected frost—your local university coop extension service can provide a precise timing.
These plants also thrive in fall, preferring cooler nights around the 40s and warmer days in the 70s to low 80s, making them a standout as other plants begin to dwindle.
When planting, space snapdragon transplants roughly 9 inches apart, ideally six to eight weeks before the last frost. Encourage fuller growth by pinching them back to the first two sets of leaves once they’ve established. Known for their durability, snapdragons bloom vigorously in the cold and can even behave as perennials in milder zones (USDA Zones 7-10).
For those starting from seeds, either plant in autumn or early spring using a greenhouse or a sunny indoor spot. Spread the seeds thinly over compost, moisten, and cover with plastic to create a mini greenhouse effect.
Once the seedlings are robust enough, pot them and continue to grow in a protected area until they’re ready to be moved outside post-frost. An early autumn sowing promises blooms by May.
How to Grow and Care for Snapdragons
Snapdragons are typically slow to mature from seeds, which is why many gardeners opt for young plants from nurseries, often found in cost-effective six-packs. However, starting them from seeds indoors a few weeks before the final frost of winter is quite doable.
These plants thrive in fertile, well-draining soil under full sun, though they won’t mind a bit of shade. To get a fuller, bushier plant, simply pinch the tips off the young snapdragons. Regularly removing dead flowers will also prolong their flowering period, sometimes up to the first frost in late fall or early winter.
While snapdragons will flower intermittently throughout the growing season, they perform best during the milder temperatures of spring and fall. In cooler areas, expect continuous blooms throughout summer, while in warmer regions, they might even keep their colors through winter.
Typically treated as annuals due to their short life span, snapdragons rarely bloom as vigorously after their first year, even if they survive the winter. They are likely to produce seed pods in their inaugural year and might self-seed in your garden if conditions are right.
For optimal growth, plant your snapdragons in a sunny spot with soil that drains well. Regular pruning to shape the plant into a denser form is beneficial. Trimming the main stem and any lengthy side shoots can spur more blooms and a visually appealing display. Stake taller varieties to help them stand erect.
As summer progresses and blooms begin to wane, trim the plants back by one-third to one-half to stimulate new flowering as the weather cools. Consider pairing snapdragons with heat-tolerant Angelonia for a vibrant, complementary display in your summer garden beds.
Light
Snapdragons thrive and display their most vibrant blooms when they receive plenty of sunlight. Ideally, they should bask in full sun to partial shade for optimal growth. However, when summer temperatures soar, snapdragons might take a break from blooming.
To encourage flowering throughout the season, consider planting them in areas that receive partial shade and ensure they are consistently hydrated. This strategy helps them persevere through the hot months and potentially re-bloom in the autumn.
For those living in hotter regions, positioning snapdragons where they can avoid the intense midday sun will enhance their performance. A practical tip is to plant them on the east side of your house or near a wall that casts afternoon shadows.
Additionally, areas under shade trees that provide filtered light can shield these plants from the more severe sun, ensuring their health and prolonging their display.
Soil and Water
Caring for snapdragons involves some key watering and soil management practices to ensure they thrive. Initially, keep the soil consistently moist for the first few weeks after planting.
As they grow, these plants require about an inch of water each week, especially if there’s no rain. It’s best to water directly at the base to prevent moisture from settling on the leaves, which helps keep the plant healthy.
Snapdragons flourish in well-drained, nutrient-rich soil with a neutral pH of around 6.2 to 7.0. While they aren’t big on fertilizers, incorporating some organic material into the soil can boost their health and flowering potential. Once they’re established, allow the top layer of soil to dry out before watering again.
Temperature and Humidity
Snapdragons struggle with the intense summer heat, particularly in the warmer southern regions. It’s wise to bring them indoors during these months, as they often cease flowering and may not survive the outdoor conditions. When the cooler autumn evenings roll in, you can move them back outside.
In terms of hardiness, snapdragons are perennials that thrive in USDA zones 7-11. However, they truly flourish in cooler weather, performing best when nights are around 40°F and days hover near 70°F. Typically, they are cultivated as annuals to brighten gardens during the milder spring and fall seasons.
Once snapdragons are well-settled in the garden and acclimated, they can endure below-freezing temperatures. Keeping them hydrated during cold snaps and covering them with pine straw mulch helps them withstand the cold until warmer temperatures return.
For seedlings started indoors, a gradual exposure to outdoor conditions, known as hardening off, is essential. This process should last about 10 to 14 days before transferring them to the garden.
Fertilizer
When your plants start to bloom, it’s the perfect time to feed them. Go for a balanced, all-purpose fertilizer like the 10-10-10 blend, applying three pounds per 100 square feet of your garden. Make sure to water thoroughly after fertilizing to reduce the chance of nitrogen burns and ensure the nutrients penetrate deep to the roots.
If you notice your plants aren’t producing many new buds, trimming them back and giving them another round of the same fertilizer can really help boost their growth.
For seedlings that you’ve started indoors, remember they need a little transition time before moving outdoors. Spend about 10 days to two weeks getting them used to the outside environment, a process known as hardening off, before planting them in your garden. This step is crucial for their survival and growth in their new outdoor home.
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Pruning
Certain vintage snapdragon varieties, particularly those cultivated for floral arrangements, can reach impressive heights. To promote a denser, more robust appearance and minimize sagging caused by their stature, it’s beneficial to pinch back the young plants early on.
After the initial burst of blooms, consistently deadheading the snapdragons will stimulate further flowering. By regularly clearing away spent blooms and adding a layer of mulch, you can significantly boost their growth.
While snapdragons are commonly grown as annuals, they are actually short-lived perennials and can thrive for multiple seasons with careful maintenance.
Snapdragon varieties to try
Snapdragons are often available in vibrant multi-color mixes, but if you’re on the lookout, you can also snag them in single hues, both as seeds and young plants. Among the standout varieties, some remain timeless favorites:
- Snapdragon ‘Royal Bride’ – This variety showcases elegant, pure white blooms that emit a soft fragrance. Ideal for a diverse flower border, ‘Royal Bride’ also excels as a cut flower and is a favorite among bumblebees.
- Snapdragon ‘Night and Day’ – Known for its dark leaves and deep crimson flowers with striking silver-white throats, this variety adds a dramatic touch to any garden space.
- Snapdragon ‘Twinny Peach’ – A petite stunner, this dwarf plant bursts with bright yellow and orange blossoms with frilled edges, perfect for container gardening or brightening the front of a sun-drenched border.
- Rocket series – A reliable and colorful choice, these snapdragons reach heights of 2-3 feet and are a common sight in garden centers.
- Madame Butterfly mix – Features a kaleidoscope of double blooms that are heavily ruffled, ranging across a spectrum of colors, making them superb for creating eye-catching cut-flower displays.
- Tutti Frutti series – These shorter plants, reaching 10 to 12 inches, dazzle with uniquely speckled and striped blooms.
- Candy Tops mix – At just 6 to 8 inches tall, these plants offer solid, vivid colors ideal for edging paths and garden beds.
- Chandelier mix – Excellent for creating cascading displays, these snapdragons come in shades of lilac, pink, and yellow.
Additionally, some specialized varieties include:
- ‘Butterfly Bronze’ Snapdragon: Features open-faced, golden-orange blossoms on plants about 3 feet tall. Suitable for zones 7-10.
- ‘Rocket Red’ Snapdragon: Displays striking crimson-red flowers atop 3-foot stems. Ideal for zones 7-10.
- ‘Solstice Yellow’ Snapdragon: Brightens gardens with spikes of golden-yellow blooms on plants up to 2 feet tall. Grows well in zones 7-10.
- ‘Sonnet Pink’ Snapdragon: Offers soft pink flowers on plants that also reach about 2 feet in height. Perfect for zones 7-10.
How to Propagate Snapdragons
Known for their vibrant blooms, Snapdragons can be encouraged to produce seeds by allowing some flowers to mature. While these seeds may not always grow true to the parent plant, it’s intriguing to see what develops.
If you’re eager to start early, plant snapdragon seeds indoors around 8 to 10 weeks prior to the last expected frost. Use any standard potting soil, ensure the soil remains lightly moist, and place them in a well-lit area, ideally under a grow light.
Although buying snapdragon seedlings from a nursery is quite affordable and straightforward, you might also consider propagating them via stem cuttings. Here’s how you can start with seeds:
- Gently press the seeds into a tray filled with moist seed starter mix or directly into your garden soil. These seeds need light to germinate, so do not cover them.
- Keep the soil consistently moist.
- Position them in a spot that receives full sunlight throughout the day, or supplement with grow lights if necessary.
- Once the danger of frost has passed in spring, transplant the seedlings outdoors. If planted directly in the garden, they should withstand winter and sprout come spring.
In regions with mild winters, it’s possible to sow snapdragons directly into the garden soil in late fall. They can also be planted a few weeks before the last frost of the season. Since they are slow-growers when seeded, they’re often started indoors 6 to 12 weeks before the final frost.
For optimal growth from seeds:
- Use a general seed starting mix or ordinary potting soil. Just press the seeds lightly onto the soil surface.
- Position the tray under bright lights, keeping the lights just a few inches above the tray to facilitate germination.
- Maintain the light for 16 hours daily, adjusting the height as the seedlings gain height.
- When the seedlings are about 3-4 inches tall with around six true leaves, pinch off the top to promote branching. Transplant them outdoors a couple of weeks before the last frost date. Snapdragons can endure a bit of frost.
Propagating from cuttings is another viable method:
- From the base of the plant, count two to three leaves up and cut just below a leaf node at a 45° angle.
- Strip the lower leaves to enhance water uptake.
- Dip the cut end into rooting hormone.
- Moisten the soil and make a hole for the cutting.
- Insert the cutting into the hole and gently cover with soil.
- Position the cutting in bright, indirect light.
- Keep the soil moist, avoiding waterlogging.
Cut a 2-inch section from a healthy snapdragon just below a leaf node. Remove the lower leaves and dip the stem into rooting hormone. Plant this in a seed starting mix or potting soil and cover it with a plastic bag to maintain humidity. When the roots are well-formed, remove the cover and continue growing under bright light.
When ready, transplant them outdoors, gradually acclimating them to outdoor conditions through a process known as “hardening off” to prepare them for the full sun and cooler temperatures.
Snapdragon Pests and Problems
Yet, even these hardy plants can face some challenges. Snapdragons are prone to leaf diseases like rust and powdery mildew. To combat these issues, make sure you water them correctly as advised earlier, and space them out to promote good air circulation.
Rust fungus can significantly impact snapdragons. Should rust appear, it’s wise to rotate to a different garden spot next season. Additionally, these plants might suffer from other ailments such as mold, fungal leaf spots, downy mildew, wilt, and root rot.
Pests such as aphids and spider mites can also be a nuisance. In cases of severe infestation, you might need to turn to pesticides or horticultural oils for help.
Snapdragons can occasionally show signs of distress like wilting leaves and a reduction in blooms if exposed to excessive heat and sunlight. Moving them to a shaded area and pruning can rejuvenate them and reduce wilting.
Watch for yellow and brown flecks on the leaves, early indicators of snapdragon rust. To prevent this, thin your plants for better airflow and avoid watering them in the evening.
In shaded areas, snapdragons may grow tall and thin, making them prone to toppling over. To prevent this, support them with stakes to keep them upright.
By addressing these problems promptly, your snapdragons will continue to thrive and beautify your garden throughout the summer.
Tips for Prolonged Blooms
Snapdragons light up the garden with their vivid colors from early spring through the entire growing season. Although they’re technically perennials, they often don’t last beyond a single season, behaving more like annuals in most gardens.
To ensure your snapdragons flourish, proper sunlight is crucial. Whether it’s basking in full sun or enjoying some partial shade, finding the right balance of light can make all the difference. Regularly removing wilted flowers, or deadheading, will also promote more vibrant and prolonged blooming.
While these plants may occasionally survive the winter, they seldom flower as profusely in subsequent years compared to their first. Typically, they will produce seed pods during their initial year, and you might get lucky with them self-seeding for the next season.
Snapdragon Companion Plants
- Licorice Plant
The licorice plant, with its striking silver foliage, really pops against a backdrop of blue, white, purple, and other vibrant flowers. This plant excels in container gardens, where its sprawling nature is on full display.
Although it’s a tropical shrub by nature, in the U.S. it’s often treated as an annual. Thriving in full sunlight and requiring well-draining soil, this plant adds a stunning contrast to any floral arrangement.
- Petunia
Petunias are a staple in many gardens due to their robust growth and continuous flowering from early spring to late autumn. You can choose from an array of colors, including some with unique veining and captivating hues.
Many are also pleasantly scented—just give them a sniff at your local nursery to test their fragrance. Some even boast being “weatherproof,” which means their blossoms stay open even when wet.
Wave petunias are particularly noteworthy for their length, reaching up to four feet, making them perfect for ground covers or as dramatic cascades from containers. For bushier growth, trim them back midsummer by up to two-thirds.
- Salvia
It’s rare to find a garden without a salvia; these plants are versatile, thriving in both sun and shade and varying moisture levels. They come in several annual varieties, with the red ones being particularly good at attracting hummingbirds.
They’re ideal for areas that experience hot, dry conditions and will bring vibrant color throughout the season. Most salvias prefer warmer climates and should be planted after the frost has passed to avoid cool weather damage.
Frequently Asked Questions
- Are snapdragons simple to maintain?
Absolutely! With adequate watering, your snapdragons will flourish.
- What is the growth rate of snapdragons?
These plants are quick to grow. Plant them as seedlings in early spring, and by mid-summer, they’ll reach their full potential.
- What’s the lifespan of snapdragons?
Typically, snapdragons can live up to three years as they are perennials.
- How high do snapdragons grow?
Snapdragon heights vary: the shortest varieties stand just about 15 inches tall, while the tallest ones can soar up to 48 inches.
- Do snapdragons reappear annually?
In cooler climates, snapdragons tend to be treated as annuals and usually don’t come back each year. However, in milder regions where they are grown as perennials, they might reemerge for a season or so, but it’s not a guarantee.
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source https://harvestsavvy.com/growing-snapdragons/
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