Zinnias grown in pots can be just as attractive as those grown in beds, if not more so. Why not put these colorful, cheery flowers in containers, especially if you have limited space? Zinnias provide color to any flower garden, are excellent for cutting, are simple to cultivate from seeds, and are a terrific option for container gardening.
Do zinnias thrive in little pots?
Zinnias can be grown in any kind of container, such as plastic or clay pots, wooden half-barrels, window boxes, or hanging baskets, but pick one with at least one drainage hole to help avoid the formation of fungus in the soil.
How deep should zinnia pots be?
Zinnias are stunning annual plants that have a lot to offer in terms of beauty. I began to wonder after observing these plants in expansive gardens year after year. Can zinnias be grown in pots?
As long as you pick a pot that is at least 6 inches deep, you can grow zinnias in them. They must be grown in the warm months with at least six hours per day of direct sunlight. Maintain potting soil that is damp but not drenched. It is preferable to immediately put the seeds in the pot as opposed to transplanting.
If you want to plant some zinnias in your own container garden, I’ve published a lot more information on each of these processes that can be useful to you.
Are zinnias sun-sensitive?
It’s hot outside, so gardening in the summer calls for plants that are minimal care, drought and heat tolerant, and have vibrant colors.
The better, the brighter.
On each of the three criteria, zinnias were suitable. plus more. They’re among the best flowers that savvy gardeners may use in their gardens, in fact.
If there is a flower that is simpler to grow, please let us know. Since zinnias are annuals, their life cycle from seed to flower to seed is short. Simple garden preparation is all that is needed for zinnias’ arrow-like, pointy seeds to germinate. Simply place them in soil that is well-drained, in full sun, and in an area that receives a lot of summer heat, and you’ll soon see small seedlings and blooming flowers. No enduring can boast of that speed!
One gardening buddy just scatters seeds wherever she wants a few zinnias, watered those areas for a few days, and then lets the zinnias’ naturally easy-to-grow nature take its course.
“Candy Cane,” “Green Envy,” “Persian Carpet,” and “Pop Art.” When a variety has names like those, color is guaranteed. The ridiculous color palette of zinnias includes every vivid and pastel shade (aside from blue), as well as bi-, tri-, and crazy-quilt combinations made for cutting, luring pollinators, etc.
Many new zinnia series give options for height and width in addition to vibrant color.
- While Zinnia elegans tall varieties continue to be the preferred option for the back of the border, shorter series are now challenging the low ground once held by marigolds and petunias. The Thumbelina Series of dwarf zinnias reach their highest point at 6 to 8 inches, whereas the Magellan Series remain roughly knee high at 14 inches.
- The Crystal Series and other creeping or spreading Zinnia angustifolia are a revelation for the front of the border, raised beds, containers, and even ground coverings. The fact that its native to Mexico is even more drought tolerant than regular zinnias makes it the preferred choice for hot locations like sidewalk beds or that no-man’s-land next to the garage.
- With a height of about 8 to 12 inches, ZaharaTM zinnias are renowned for their resistance to powdery mildew and leaf spot (see below). In the entry beds of the Regenstein Fruit & Vegetable Garden, we paired Zahara Yellow, which is brief but sweet, with tiny sunflowers.
Zinnias are obviously meant for the vase because they have style and long, sturdy stems.
The words stars and daisies, dahlias and spiders, buttons and domes, and quill-leaf cactus are all used to describe zinnia blooms. Flowers come in different varieties: “singles,” which have their petals arranged in a row around an open center; semi-doubles; and doubles. Each one is fantastic in floral arrangements.
The best zinnias for cutting are, of course, the tall kinds; “Benary’s Giant” is renowned for its three-foot-tall, robust stems and huge flowers. Just above a bud joint, angle-cut zinnia stems. Zinnias often stay a long time in a vase; thus, remove all but the most obvious leaves off the stems before placing them in water.
Zinnias require little upkeep. Because they grow quickly, they shade out weeds. They don’t need mulching, and the only fertilizer they need is an occasional application of a well-balanced mix.
Deadheading encourages the growth of additional blooms. Lack of time to deadhead? When it comes to a big bed, the Zaharas indicated in the sidebard are a significant time saver.
The Profusion Series, a cross between Z. elegans and Z. angustifolia, is resistant to powdery mildew, which is the bane of zinnias, just like Zaharas.
Zinnias are accustomed to dry environments because they are indigenous to the grasslands of the southwestern United States, Mexico, and South America. However, wet summers, like the one we’ve had so far, can be damaging. And leaf spot and powdery mildew can result from that. Three recommendations for surviving inclement weather:
- Only water as necessary, and then only at the plant’s base. Wet leaves can encourage the growth of mildew, and water splashing can instantly spread fungus from the ground onto zinnia leaves.
- Taller, mildew-prone kinds can be hidden by foreground plants.
- As one horticultural put it, “Even when zinnias are coated in powdery mildew, they’re covered with flowers,” do both #1 and #2 and accept that zinnia leaves (but not flowers) are impacted by wet weather.
Zinnia seeds can be saved with ease. Simply let the blossoms to completely dry on the stalk, gather the seedheads, and delicately crush them in your fingers to release the harvest of seeds for the following year. In the same manner as other seeds, store in a cool, dry area. (And save some for our seed swap in February of next year in a labeled envelope!)
Last but not least, zinnias attract butterflies, so plant them every year. The plants with larger flowers serve as landing places for butterflies looking for nectar. (The same is true with hummingbirds.) To capture the most attention, try tall zinnias with scarlet or hot pink blossoms.
Living and gardening in Oak Park, Illinois, Karen Zaworski is a writer and photographer who specializes in gardens.
‘Benary’s Giant,’ one of the greatest for cut flowers, stands out in the English Oak Meadow with its 1,000 blooms.
Above: Double Zahara Fire (Zinnia marylandica), one of a group of plants resistant to powdery mildew, was cultivated in the Enabling Garden.
For your summer garden, the ZaharaTM Coral Rose Zinnia (Zinnia Marylandica) excels and requires little water.
Can zinnias be grown in small containers?
Zinnias benefit from full sun. Place the pot where it will get around six hours of daily direct sunlight. The container needs to be around 8 to 10 inches deep and wide, and it also needs drainage holes at the bottom. Although zinnias may grow in virtually any soil, they prefer well-draining, organically rich soil. Maintain a regular moisture level in the soil, but avoid overwatering to prevent soggy soil.
Propagating Zinnias
The best and simplest way to grow zinnias is from their seeds, which you can purchase at your neighborhood garden center or nursery. If you intend to plant the seeds outside, make sure to sow them after the final anticipated frost date has past. Additionally, you can plant the seeds six weeks before the final anticipated frost date. Because zinnias dislike transplanting, plant the seeds right in the pot you intend to use. Here’s how to multiply zinnias in a pot:
- The seeds can be scattered over the soil and softly tapped, or they can be sown about a quarter of an inch below the surface.
- Make sure the soil is warm and moist, and that the pot is placed in a warm area.
- As soon as the seed begins to sprout, relocate the pot so that the seedlings get enough of sunlight.
- Remove all except one or two of the seedlings with the best health from the pot.
- You can bring the pot outside to a sunny location once six weeks have passed or the last frost.
The zinnias will soon bloom and spread their loveliness everywhere! Remember to keep the zinnia seeds for the next year once they have finished blooming since they are an annual.
Choosing the Container
If you’re growing one zinnia, use a pot that is 8 to 10 inches deep and broad; if you’re growing several, get a wider pot. The cultivar you select will also affect the container’s size. To dispose of extra water, check that the pot has drainage holes at the bottom.
The zinnia makes the list of Plants that thrive in Shallow Pots because there are cultivars that can tolerate containers that are just six inches deep!
Location
Place the pot in a sunny area to promote blooming and strong growth. If it’s well lit, the porch, patio, or balcony are some good places to put the pot. Place the pot close to a window in the interior area that gets a lot of light. Zinnias don’t care what kind of container they are in; you can grow them in hanging baskets, ceramic, terracotta, or plastic pots.
Soil
The best soil would be one that drains well and is abundant in organic matter, although zinnias can grow in practically any type of soil. By including perlite and organic matter in the form of aged compost, you can improve the drainage of the potting soil. Additionally, the soil will bloom profusely as a result of composting!
Water
Maintain regular moisture in the soil, but not to the point where it becomes soggy. Water the soil ideally when it dries out an inch below the surface; you may check this by sticking your finger into the ground. Water the plant’s base as well, being careful to keep the foliage separate.
How long do zinnias in pots last?
One of the best garden flowers for cutting is the zinnia. They create easy to grow cut flowers for the home with their bold shapes, brilliant or gently pastel colors, and outstanding output. They also last a long time in vases.
Prior to cutting, always select zinnias with sturdy stems. Pick them as soon as the buds begin to open. They can endure up to ten days if there is flower food in the water.
Single stem vases are a good choice for arranging zinnias. Make sure to pick some lime green flowers, such as “Envy” and “Benary’s Giant Lime,” that go well with other hues if you like to mix things up in a bigger vase. For optimum effects, stick with either a pastel or a strong color scheme.
Would you like more recommendations for stunning flowers to include in your cutting garden? Our growing instructions for dahlias and sweet peas are excellent places to start.
Why are the zinnias in my pots dying?
Alternaria leaf spot disease and bacterial leaf spot disease are the leading causes of zinnia deaths. Your zinnias can also perish from powdery mildew. A prolonged wet environment or overwatering could potentially cause zinnias to perish.
Growing zinnias is done for their stunning, multicolored flowers. In the USA, they are passionately grown.
In the garden, zinnias are simple to grow. The plants do occasionally experience problems. Let’s examine the problems and possible solutions.
Do zinnias reseed each year?
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.