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Why You Should Plant Zinnias: More Than Just Beautiful Blooms


This year, I’ve really gotten into gardening, especially focusing on flowers alongside my regular duties at a gardening job where we also cultivate organic vegetables. There’s a special charm in caring for both perennial and annual blooms like in our cut flower garden.

My boss, who’s 74, has slowed down a bit, so I’ve stepped up to take on more tasks. Surprisingly, I’ve found this quite fulfilling.

Initially, I was puzzled about why anyone would grow—or hire me to grow—flowers since they aren’t edible. However, I’ve gradually come to appreciate their beauty and purpose.

Lately, my wife Emma and I have been chatting a lot about zinnias. I’ve been tending to quite a few this year, and I must say, they’ve grown on me.

In our vegetable garden, the first flowers that come to mind are marigolds, nasturtiums, and calendulas. Their vibrant yellow and orange petals dance in the wind and attract a myriad of beneficial insects. It’s quite a sight!

Yet, something seems to be missing. The vivid array of colors typical in flower gardens seems confined to just that—flower gardens.

As someone who has a deep appreciation for plants and is always eager to explore new gardening avenues, I’ve realized it’s time to explore why zinnias should have a place in our garden.

Up until now, I’ve simply read that they’re excellent companion plants. But as I delve deeper, I’m discovering there’s much more to them.

So why not integrate these beauties into our vegetable garden? Believe me, zinnias will seamlessly blend with the other blooms there, enhancing the garden’s aesthetic and diversity. Let’s add a splash of color and life to our veggie plots!

Zinnias: Vibrant and Easy-to-Grow Annuals

Zinnias are primarily celebrated for their role as vibrant, annual additions to decorative gardens.

Despite their simplicity in cultivation, offering a spectrum of colors like white, green, yellow, orange, red, purple, and more, they may not always align perfectly with permaculture principles.

Notably, zinnias originate from Mexico and are famous for their easy upkeep, earning my wholehearted endorsement for anyone seeking hassle-free gardening. As a no-dig gardener myself, I appreciate plants that thrive without too much fuss.

Belonging to the extensive daisy family, Asteraceae, zinnias share their lineage with sunflowers under the Helianthodae tribe. The genus Zinnia encompasses a variety of species, each offering unique bloom shapes and sizes, adaptable to different garden settings.

Zinnias are native to the warm, dry regions of the Americas, including grasslands and scrublands. They flourish across all USDA Zones in the contiguous U.S., Hawaii, and parts of Alaska.

Remarkably, zinnias have even thrived in the zero-gravity conditions aboard the International Space Station. These flowers are sensitive to frost but excel in dry, hot conditions due to their drought and heat resilience. They thrive in full sun and prefer well-drained soil.

Zinnias are fast growers, transitioning from seed to bloom in just a few weeks, and they perform best when sown directly into the ground. Regularly removing spent blooms, or deadheading, encourages them to produce even more flowers.

Zinnias’ drought tolerance makes them an excellent choice for gardens prone to dry summer conditions. They quickly mature, often ready to display their colorful blossoms within 65 days, making them a popular pick for those who enjoy rapid gardening results.

Zinnias: Vibrant and Easy-to-Grow Annuals
Credit: marthastewart

Why You Should Be Growing Zinnias

Consider adding zinnias to your vegetable garden this season! Zinnias are a fantastic choice for several reasons: they draw in helpful pollinators, enhance the beauty of your spaces, and provide plenty of blossoms for cutting.

These resilient plants thrive as annuals from Zones 2 to 8, handling heat and drought with ease. Plus, deer and other critters typically ignore them. Zinnias are also a breeze to plant and care for throughout the growing season.

One of the coolest features of zinnias is their “cut-and-come-again” nature. This means that the more you clip off the old flowers, the more new ones sprout up, keeping your garden vibrant from early summer right up to the first frost. They’re perfect for keeping your outdoor areas lively and colorful.

Beyond their visual appeal, zinnias are fantastic for attracting a wide range of pollinators and beneficial insects. Although you might first think of planting them in traditional flower beds, why not mix things up?

Zinnias also flourish in raised beds, containers, and even along pathways or driveways. With all these benefits (and more), zinnias are an ideal addition to not just your flower gardens but your vegetable plots too!

The Captivating World of Zinnias: A Pollinator’s Paradise

If you’re aiming to boost your garden’s productivity, attracting pollinators is crucial. Bees, hummingbirds, butterflies, and wasps play a vital role in transferring pollen from male to female blooms, allowing fruits and vegetables to develop. These nature’s helpers are indispensable in any vegetable patch!

Pollinators are naturally drawn to vibrant colors and diverse textures. While zucchini and tomato flowers are attractive, they pale in comparison to the striking allure of zinnias.

Sporting a spectrum of brilliant pinks, reds, and purples, zinnias are a pollinator’s dream, luring them in abundance.  Once these diligent helpers arrive, they feast on the plentiful pollen and nectar, sustained by zinnias from the onset of summer until the first frost.

As an organic gardener, cultivating a garden is a deeply fulfilling experience that enriches the environment before benefiting my family and me. But it’s the insects that get the first taste of the blossoms.

Zinnias might not always top the list of pollinator-friendly plants, but they’re an outstanding choice nonetheless.

Their open petals provide the perfect perch for pollinators, unlike some other flowers that might not be as accommodating. Plus, the large leaves of zinnias offer an ideal resting spot for these busy garden visitors.

The Captivating World of Zinnias: A Pollinator's Paradise
Credit: American Meadows

Take ladybugs, for instance; they seem utterly enchanted by zinnia’s vivid blossoms, helping keep pests like aphids and mites at bay. Predatory wasps also flock to these flowers, drawn by the nectar and, in turn, helping manage pests like cabbage worms and tomato hornworms.

And let’s not forget about butterflies! Zinnias are veritable butterfly magnets. Opting for zinnias over a typical butterfly bush could be a game-changer if you’re a butterfly enthusiast.

They not only attract these beautiful creatures but also provide them with valuable sustenance. And if you’re not into deadheading old blooms, try the Zahara variety of zinnias, which are low-maintenance and self-cleaning.

So, if attracting pollinators is your goal, zinnias are a fantastic addition to your garden. They’re as beneficial to the pollinators as they are to the garden itself, keeping it vibrant and productive. Plus, who can resist those colorful, butterfly-attracting blooms? Honeybees certainly can’t!

Zinnias: The Perfect Choice for Budding Gardeners

Zinnias are wonderfully low-maintenance and straightforward to grow, making them an ideal choice for both novice and experienced gardeners.

Unlike some flowers that can be finicky when starting from seeds, zinnias thrive when their seeds are simply scattered over prepared soil.

It’s fascinating to witness how quickly they sprout: seedlings appear in just a few days, and soon after, you’re rewarded with an abundance of blooms.

Planting zinnias couldn’t be easier. Directly sowing them into your garden once the risk of frost has passed and the temperature stays above 60°F (16°C) is generally the best approach.

Choose a sunny spot with well-drained, fertile soil for optimal results. Germination happens swiftly, usually within a week, and it’s essential to thin the seedlings once they reach a few inches in height to ensure proper air circulation.

If you’re planning for a specific event, like a wedding, and need a particular color or quantity of zinnias, start planting about four weeks before the last frost indoors, or calculate the days to harvest and adjust your sowing time accordingly. This helps ensure a bountiful and timely collection of flowers.

Zinnias dislike being transplanted once planted, much like root vegetables, so it’s preferable to sow them where they are to remain. However, if you must transplant them, patience and gentle handling are key.

Regular watering keeps the young plants healthy, but once established, they only require additional moisture during extended dry periods.

While zinnias benefit from occasional feeding with a gentle, all-natural liquid fertilizer during the blooming phase, they generally thrive in fertile soil without much additional help.

Deadheading, or removing faded flowers, not only tidies up the plant but also encourages more blooms, making it a rewarding task for gardeners. Keep this practice up, and zinnias will continue to beautify your space throughout the growing season.


The Visual Splendor of Zinnias

It might not be surprising, but planting zinnias among your vegetables offers a fantastic burst of vibrant colors. Zinnias, undeniably charming annuals, are definitely making their way into our gardens again this year—tucked among the vegetables and other flowers.

Their dazzling array of colors includes red, orange, yellow, green, purple, and pink, available in single, double, or semi-double blooms that truly enrich your garden’s palette.

I’m excited to share a tip or two, especially after last year’s experience. Our garden was lush with green, but it lacked the vibrant pinks, purples, reds, and whites that zinnias offer.

Sure, we had some splashes of color from our long-lasting calendula, mainly used for herbal teas, and the squashes did eventually brighten things up with their own yellows and oranges. However, green dominated the scene.

Have you come across Purple Giant zinnias? If you’re new to the variety of zinnias available, you’re about to discover a delightful spectrum. Imagine Organic Purple Giant zinnias towering over four feet, bursting with color in your garden—you’ll want to thank this little chat for the suggestion.

Purple Giant zinnias
Credit: Select Seeds

And it’s not just Purple Giants; have you seen Giant Red zinnias or Double Zahara Cherry? How about Cactus Flowered Zinnias with their unique quilled petals? There’s a whole world of zinnias out there, and why settle for just one type? Mix it up with various colors and sizes.

Giant Red zinnias
Credit: North Shore Plant Club

Besides brightening up the garden, zinnias are fantastic as cut flowers. They can bring beauty to your dinner table or even become a profitable market crop. Diving into the world of cut flowers has opened my eyes to the potential of zinnias as an organic, lucrative crop.

They might be annuals, but their easy reseeding means they can thrive for years, making them a smart choice not just for their beauty but for the practical benefits they bring to your garden.

Unleash the Power of Zinnias for Natural Pest Control

Zinnias may not be the first flowers that come to mind for pest management in your garden, but they can play a vital role. Although they attract garden pests like aphids, thrips, spider mites, and caterpillars, this can actually work to your advantage.

Take the dreaded Japanese beetle, for instance—a notorious pest known for ravaging fruit and vegetable crops in no time. Instead of fighting them head-on, consider a smarter approach using zinnias as a trap crop.

By planting zinnias near more valuable crops like green beans, you essentially set up a decoy. Pests are drawn to the vibrant zinnias, leaving your essential crops unharmed.

This method, known as using sacrificial crops, might seem counterintuitive—why sacrifice any crop at all? But it’s about protecting the majority of your garden without harsh chemicals.

Zinnias serve this purpose perfectly, especially when placed strategically at the garden’s perimeter or among tomatoes, shielding your prized produce from pest invasions.

Adopting this approach requires a shift in mindset—it’s not just about growing food but growing smart. Not only does it potentially save much of your harvest, but it also introduces an environmentally friendly strategy to gardening that could benefit everyone.

Learn about Creating a Dragonfly-Friendly Garden: Easy Steps to Attract Nature’s Pest Controllers

Prolific Blooms

Zinnias truly shine in the garden with their relentless floral display. Regularly removing faded flowers, or deadheading, encourages these plants to keep producing more blossoms.

A zinnia plant can showcase several vibrant flowers simultaneously and continue to do so one after the other. The more you prune and trim, the more you’ll be rewarded with fresh blooms.

These plants don’t just stop blooming; they continue their floral show throughout summer and into autumn, until the first frost nips at their petals. It’s crucial to keep up with deadheading to sustain their blooming momentum.

As they are ideal for repeated cutting, the more care and attention you provide, the more they reciprocate with ample flowers perfect for snipping.

This takes us back to the garden, where zinnias are a standout choice for cut flowers. They not only brighten up garden spaces but are also perfect for creating stunning arrangements on your dining table or any other spot that could use a splash of color.

Why You Should Plant Zinnias
Credit: Garden Gate Magazine

Ensure the flowers are mature before cutting by giving the stem a gentle shake to check its readiness. If the stem remains firm and doesn’t wobble, it’s ready to be cut.

Once cut, zinnias can remain fresh in a vase for about 7-10 days, and avoiding direct sunlight can extend their life up to two weeks.

To ensure they last, perform a quick test by shaking the stem slightly. A firm, steady stem means it’s time to bring the beauty of zinnias indoors to enjoy.

Learn more on Floral Mastery: Unlocking the Secrets of Year-Round Flower Cultivation

Zinnias: The Self-Seeding Wonders

Zinnias, although annuals, have a remarkable ability to regrow year after year through self-sowing. To facilitate this, simply let the flower heads wither and decay naturally in the autumn. As they perish, seeds will drop and embed themselves into the earth, preparing for next season.

It’s pretty straightforward to harvest zinnia seeds too. Wait until the blooms dry completely while still attached to the plant, then gather the seed heads into a container.

After an additional day or two of drying, gently rub the seeds out by hand. Keep them in clearly marked envelopes, sorting by color for organization.

This method is not only a time-saver but also cost-effective compared to buying new seeds annually. However, be mindful of birds that might snack on your seeds, preventing them from planting themselves.

If birds are a problem, or if you prefer a hands-on approach, you can also manually collect seeds. Snip off your chosen blooms, leaving a bit of the stem, and let them dry on a paper surface.

When they’re fully dried and crumbly, ease the seeds out and store them somewhere cool and dry, ready for next planting season.

Alternatively, if collecting seeds sounds too tedious, or if you miss the right moment, simply letting the seeds fall where they may works too. Though you risk losing some to wildlife, the seeds that survive will sprout spontaneously next spring.

This relaxed method might feel risky, yet the unexpected burst of colors that greet you the following year makes it exciting. Each year, our vegetable garden surprises us with new, unexpected sprouts, leading us to wonder about their mysterious origins.

Zinnias: The Self-Seeding Wonders
Credit: The Free Range Life

Easy Gardening with Zinnias

Zinnias are a gardener’s delight with their low-maintenance nature and vibrant colors. You can easily grow these cheerful annuals from seeds in almost any well-draining soil enriched with organic matter.

The best time to plant them is in late spring or early summer, after the last frost, to ensure a colorful display that lasts through the entire summer. If you live outside the Eugene region, adjust your planting schedule according to your local hardiness zone.

Zinnias thrive in full sun and warmth, making them ideal for brightening up hot summer days in places like the Willamette Valley.

Regularly deadheading, or snipping mature flowers to create lovely bouquets, can extend their blooming period and stimulate more growth. Zinnias come in a vast array of colors—except blue—and vary in size from petite varieties to giants that tower up to four feet tall.

The Profusion series, for instance, includes dwarf varieties perfect for containers, barely reaching 10 inches in height. No matter your garden design, there’s a zinnia to match, whether you need background height or foreground vibrancy.

The traditional Zinnia elegans often graces the back of flower beds due to its height, while Zinnia angustifolia, with its shorter stature, is ideal for lining paths or adorning the front of a border.

You might also encounter Zinnia haageana and Zinnia marylandica, which are compact and sport smaller, yet intensely colorful blooms. These varieties are excellent for attracting pollinators or for creating small, charming bouquets.

When choosing zinnias, consider both the color and height, alongside how much space you’re willing to dedicate to them.

If deer have been ruining your flowers, you’ll be pleased to know that zinnias are deer-resistant and also attract butterflies, making them as functional as they are beautiful.

To enjoy zinnias indoors, cut the flowers when they have stiff, sturdy stems, ensuring they won’t wilt when placed in water. Plant the seeds about a quarter inch deep in well-draining soil and provide plenty of sunlight.

Thin the seedlings once they reach about 3 inches tall, spacing them 6 to 18 inches apart to promote good air circulation and prevent issues like powdery mildew. While zinnias need little fertilizer, a balanced mix used sparingly will suffice.

At the end of the season, don’t forget to collect seeds from spent blooms to plant next year, keeping them in a cool, dry place for storage.

The Joy of Growing Zinnias

As my botanical knowledge deepens, I’m repeatedly reminded of the remarkable adaptability and utility of plants. It appears that almost every plant has a role to play in a well-designed landscape.

Even the most notorious invasive species can enrich food forests by providing nourishment and aiding nitrogen fixation.

Similarly, what we often dismiss as mere weeds are actually nature’s tools for improving soil structure, controlling erosion, offering sustenance, and indicating nutrient imbalances.

Zinnias exemplify this versatility beautifully. They effortlessly serve multiple purposes. This year, they have brought immense joy to my gardening routine. Observing their vibrant flowers bloom each week has been a highlight of my garden tours.

The practice of deadheading them, along with other flowers, has become a calming ritual for me. At this point, I find myself puzzled as to why anyone would choose not to include them in their garden.

This fall, I plan to collect seeds from these hardworking plants. After all, who can say no to free zinnias? Given their array of benefits, it’s no surprise that zinnias thrive whether nestled among wildflowers or featured prominently alongside vegetables like beans.

Imagine how a bouquet of bright zinnias can brighten your day. To ensure you get the most out of them, it’s crucial to cut them properly.

Start by ensuring the stems are firm; a floppy stem means the flower isn’t ready and will likely wilt quickly in a vase. Once confirmed, snip the stems at least eight inches long and remove any lower leaves.

You can create a stunning bouquet using just zinnias or mix them with other seasonal blooms such as gerbera daisies, sunflowers, lavender, hydrangeas, or dahlias for a vibrant, wild look.

To extend their display life, keep your zinnia arrangements in room temperature settings away from direct sunlight, as they prefer milder conditions. Enjoy your flourishing garden!

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