Zinnias grow well when directly sown in the spring after all chance of frost has passed. Gardens will benefit from a vivid display of bright, vibrant blooms if they receive enough sunlight and warmth during the growth season. The availability of novel hybrids and specially bred, open pollinated zinnia cultivars means that these plants can be used in almost any landscape application.
The following are some well-liked zinnia flower cultivars for gardens:
Tiny Zinnias The majority of the time, dwarf zinnias are grown in flower borders and mature to a height of around 10 inches (25 cm). These diminutive plants thrive when interplanted with various annual and perennial flowers and shrubs, despite their small size. Even while the plants stay little throughout the growth season, this does not necessarily indicate the size of the prospective bloom. Depending on the zinnia type being grown, flower size will vary. Dwarf zinnias in vogue include:
- The “Dreamland Mix”
- ‘Magellan Mix’
- In “Star Starbright,”
- Tombolina Mix
Garden Zinnias These zinnia plant cultivars are frequently used in landscaping and floral borders, much like dwarf zinnias. These zinnia blooms grow somewhat bigger, often to a height of approximately 20 inches (50 cm), and bloom constantly throughout the growing season, producing an abundance of color. These zinnias can be found here:
What zinnia is the smallest?
One of the tiniest zinnia varieties you may plant is the thumbelina variety. They only grow and spread 6 inches, making them a good choice for edging. The totally double, 1 1/2 inch blossoms come in a variety of hues. These tiny plants are so tiny that cute is the absolute last word. These early bloomers begin when they are only 3 inches tall and continue until the end of the growing season.
What month should zinnias be planted?
Light: Full sun is ideal for zinnia growth and flowering. Even in warmer climates with afternoon shadow, they can flower there, but they may be more prone to disease and produce fewer flowers.
Soil: Organically rich, fertile soils with good drainage are ideal for growing zinnias. Because zinnia seedlings are susceptible to rotting in cool, damp soils, having well-drained soil is crucial.
Plant zinnia seeds in rows or clusters spaced a few inches apart. Once the plant has four leaves, thin to 8 to 18 inches apart, depending on the variety.
Planting: Plant zinnias in the spring, just about the time you plant tomatoes, when all threat of frost has passed. Growing zinnias from seeds straight in the garden is simple. Start seeds inside four to six weeks before to your last frost date for earlier flowering.
How tall can you grow small zinnias?
Lacking garden space? Choose the Thumbelina Dwarf Mix ($3, Renee’s Garden), another All-America Selections Winner, in place of tall zinnias. Even at just 3 inches tall, these diminutive cuties can begin to bloom. Depending on the combination, which can include hues of pink, purple, orange, red, yellow, and lavender, thumbelina zinnias will continue to grow up to 6-8 inches or more. They won’t obstruct your view of other plants, so Matthews advises placing them near the front of your garden.
How are you going to pick among all these lovely things? Think about what you want, whether it’s a colorful garden with tall, short, single, semi-double, or double blooms, advises Grissell. Additionally, keep in mind that one of the wonderful things about growing annuals is that you may try something new every year. As such, feel free to grow a variety of zinnia kinds side by side or stick with just one or two to see which ones you like. Matthews continues, “These zinnias are tried and true.” “With them, you can’t go wrong.”
What is the name of dwarf zinnias?
A half-hardy annual flower that won the All-America Selections award is the thumbelina zinnia. Half-dollar-sized blooms in shades of pink, white, crimson, orange, and yellow adorn these alluring tiny plants. Compact, orderly plants cover up older flowers with new growth. begins to bloom early and lasts all summer.
How long do dwarf zinnias take to bloom?
One of the simplest flowers to plant, zinnias grow quickly and provide a lot of blooms. Additionally, they will continue to bloom right up until the first fall hard frost. Consider trying zinnia flowers this year to add a huge splash of color to your yard.
About Zinnias
Since zinnias are annuals, they will only produce blooms and seeds for one season before dying. The original plant will not reappear the following year. They are excellent for use as a cutting flower or as food for butterflies since they have vivid, solitary, daisy-like flowerheads on a single, tall stem.
Types of Zinnias
Zinnia elegans, the most widely grown zinnia species, has been developed to produce a large number of distinctive variants.
Single, semidouble, or double zinnia blooms are the three most common varieties. The number of petal rows and whether or not the flower’s center is visible serve to distinguish between these forms:
- A single row of petals and the center are both visible on single-flowered zinnias.
- Petal rows abound on double-flowered zinnias, and their centers are hidden.
- Between the two are semidouble-flowered zinnias, which have several rows of petals but discernible cores.
In addition to these shapes, zinnia flowers also occur in “beehive,” “button,” and “cactus” forms. Additionally, the plants themselves come in various heights: taller types function best as a garden bed’s background, while shorter varieties are useful as a border. There is a zinnia for every garden, in fact!
In an annual or mixed border garden, plant zinnias. Smaller zinnias work well as window boxes, edging, or in other containers.
To have a lot of flowers all season long, choose a place that receives full sun (6 to 8 hours of sunlight every day). Additionally, later in the season, foliar diseases like powdery mildew can be avoided by planting in an area with sufficient air circulation.
Although zinnias can grow in a variety of soil types, they prefer organically rich, well-draining soil. The optimal pH range for soil is between 5.5 and 7.5. The blooms will grow more quickly if compost (humus) is added to the soil. Find out more about soil improvements and getting the soil ready for planting.
When to Plant Zinnias
- Because they dislike being transplanted, it is advised that you start your zinnia plants from seed directly in the garden bed. If the correct circumstances are present, they will develop quite quickly from seed.
- It should be noted that zinnias can be grown from seed inside if you like. Just make sure to transfer them gently and young.
- Because zinnias are delicate to frost, wait to plant them until after the last frost in your area. See the frost dates in your area.
- Zinnias can tolerate daily temperatures as low as 60F (16C), although a range of 7484F (2328C) is ideal.
- To prolong the flowering time, sow a new crop of seeds every week or so for a few weeks.
How to Plant Zinnias
- Depending on the kind, place plants 4 to 24 inches apart. (Many common kinds are planted 2 feet between rows and 6 inches apart within the row.) For information about each variety, consult the seed packet’s back.
- Plant zinnia seeds no deeper than 1/4 inch.
- The majority of zinnia cultivars will produce seedlings in just 4 to 7 days, but it may take up to two months or more for blooms to appear (depending on planting site and climate).
- To promote air circulation, thin seedlings when they are three inches tall, spacing them 6 to 18 inches apart. As a result, powdery mildew is less likely to grow.
- To promote development and blossoms, keep the soil’s moisture level moderate and apply a mild fertilizer.
- Deadhead zinnias once they have finished blooming to facilitate the development of new blossoms.
- Since zinnias are annuals, they will perish with the first fall hard cold. Let the final blooms of the season fully mature before dispersing their seeds if you want them to reseed.
Zinnias still not your thing? In your garden, try them out for the following six reasons:
- With cultivars from the Dreamland Series, you can have a full-sized flower on a little plant. These zinnias are compact and dwarf, with stems that are 812 inches tall and totally double flowerheads that can be up to 4 inches across with a variety of colors.
- The dwarf, spreading cultivars of the Thumbelina Series have weather-resistant, solitary or semi-double flowerheads in a variety of hues. Their stems can reach a length of 6 inches, and their petals are 1-1/4″ wide.
- One of the largest and tallest of them all, the State Fair Series has huge, double flowerheads that measure 3 inches in diameter. Stems can reach a height of 30 inches.
- Typically, it takes zinnias 60 to 70 days from seed to flower (though it depends on conditions and variety). They are fantastic in a bunch of flowers!
- The tiny, narrow-leafed zinnias are great for hanging baskets and also make lovely dried flowers.
- Zinnias are considered to represent memories of those who have passed away. Discover more about the significance of flowers here.
- Zinnias may be harmed by bacterial wilt, powdery mildew, and bacterial and fungal spots. To prevent illness, keep leaves from getting too damp and correctly space your plants.
- Problems can also be brought on by caterpillars, mealybugs, and spider mites. Spraying should be avoided unless there is a real infestation because some leaf damage is not a problem.
- Thanks to their resistance to deer, zinnias may be able to prevent surrounding flowers from being eaten.
How are little zinnias grown?
One of the greatest flowers for filling your garden beds in the spring, dwarf zinnias grow and bloom quickly. The Old Farmer’s Almanac claims that transplanting zinnia seedlings is difficult. When feasible, start the seeds immediately in the garden. However, if you transplant the seedlings while they are young, sowing the seeds indoors in soil-filled peat pots four weeks before the final spring frost should work in colder areas with a short growing season. Plant the seeds in increasing waves every two to three weeks until midsummer to extend the bloom as far into the summer as possible.
Plant miniature zinnia seeds 1/4 inch deep. Keep the soil moist, and after a week of temperatures over 70 degrees Fahrenheit, look for sprouts. Once the dwarf zinnia seedlings are 3 inches tall, thin them to one seedling per pot if you began the seeds indoors, or space them at least 6 inches apart. Before transplanting dwarf zinnia seedlings outdoors after outdoor temperatures remain above 60 degrees Fahrenheit, harden off the seedlings for about a week. At least 6 inches should separate them.
Do zinnias come in different sizes?
In the wild, there are around 20 different zinnia species. Few of these species are regularly grown in gardens, but hundreds of various cultivars and hybrids have been created from the few species that are.
Therefore, you can pretty much find a zinnia in whatever color scheme you like, in a variety of patterns, forms, and sizes, from a few inches to several feet tall.
Are you interested in learning more about growing these amazing annuals? See our comprehensive zinnia growing guide.
can zinnia seeds be saved?
Yes, you can keep zinnia seeds, however if they are a hybrid variety, they might not germinate. When the seeds have ripened, wait for the flowerhead to fade and dry before cutting it off gently. Knock the flowerhead over a piece of paper to let the seeds fall. Remove any petals, allow the seeds to dry, and then store them in a paper bag with a label for the next year.
How late may zinnias be planted?
Zinnia seeds can still be planted now for late summer color that will endure until the first frost. Additionally, they produce stunning cut flowers with a lengthy vase life.
Even the most inexperienced gardener should grow zinnias because they are one of the tried-and-true garden flowers. My first memories of gardening are when I first encountered zinnias. The bush beans and tomatoes set aside for zinnias were a constant source of conflict. My favorite annual flower is still the zinnia, and they now have a prime location next to my back deck where I can enjoy them in the warm weather.
Growing zinnias is simple; they prefer full sunlight and well-drained soil. They may be planted directly in the garden or transferred. Plant them in a peat pot that can be placed directly into the garden or planting bed if you decide to have a head start and want to transplant so as to avoid disturbing the roots.
There are many different types of zinnias. They come in sizes ranging from 6 inches to nearly 4 feet, from dwarf to enormous. The flower heads are available in many different forms, including single and double flowers, spidery shapes, and domes.
The amazing variety of hues is the best feature. The palest pastel hues to the brightest hues are all available in zinnias. They come in solid, multicolored, striped, and specked patterns.
Dead heading zinnias is advised by Michigan State University Extension to ensure flowering from early summer through frost. Zinnias are encouraged to continue performing by dead heading throughout the season. But because zinnias fatigue, I advise putting them in succession every two weeks. I intend to plant in succession beginning in late May and continuing until the first week of July, roughly. This ensures spectacular blooms through the end of September. It’s not too late to plant some zinnia seeds for color that will persist through the first frost in the late summer.
In addition to their amazing garden display, zinnias make fantastic cut flowers and may be used anywhere you need a splash of color. Many zinnia cultivars can stay in a vase for seven to twelve days. The mainstay of the farmer’s market is zinnias as well. Flower farmers would tell that zinnias are one of the most profitable flowers to grow due to their vibrant colors, ease of maintenance, and extended vase life.
The zinnia variants “Benary’s Giant” and “Cut and Come Again” are two of my favorites. Their surnames are biographical. On tall stems that stand between 40 and 52 inches in height, “Benary’s Giant” has huge blooms and dazzling flowers. Cutting the stem just above a bud junction will encourage “Cut and Come Again” to produce continuously throughout the growing season, as will all zinnias.