How tall do giant cactus zinnias grow?

30″ tall
SKU

Zones 3 – 8
Advantages Attract Butterflies Easy To Grow Bee Friendly Deer Resistant Low Maintenance Good For Cut Flowers Good For Containers Extended Bloom Time (more than 4 weeks) Great For Mass Plantings
Light Requirements Full Sun
Mature Height 30″ tall
Bloom Time Summer to fall

Do giant zinnias come back every year?

About Zinnias. Zinnias are annuals, so they’ll grow for one season to produce flowers and seeds, but the original plant will not come back in subsequent years. They have bright, solitary, daisy-like flowerheads on a single, erect stem, which makes them great for use as a cutting flower or as food for butterflies.

Are giant zinnias perennials?

Zinnias are annuals, meaning that they go from seed to flower to seed quickly.

How do you grow a giant cactus zinnia?

Sow zinnia seeds indoors: 4 to 7 weeks prior to your last spring frost in cell packs or flats, press into soil and lightly cover. Kept at 75°F., seedlings emerge in 3 to 10 days. Sow zinnias seeds outdoors: in spring after all danger of frost into prepared beds in ¼ in. deep furrows, 4 to 6 seeds per foot.

What are giant zinnias?

Giant zinnias are sun-loving plants that reach heights of 2.5 to 4 feet. Five-inch blooms with layers of rectangular petals are the defining characteristic of these easy-to-grow annuals. Bloom colors include bright oranges, pinks, yellows, reds and whites.

How do you plant zinnia cactus seeds?

Direct seed – After last frost, sow 1/4″ deep. Succession-sow/plant every two weeks for prolonged yields of high-quality stems.

Should you deadhead zinnias?

Zinnias should be deadheaded. Either cut mature stems to use in fresh bouquets for the home or remove the old blooms after they have faded. Deadheading and regular harvesting are essential to prolong blooming and promote branching.

Do giant zinnias need support?

Support for zinnias is sometimes required depending on the variety. Some zinnas, like Zinnia angustifolia, are creepers, perfect for the front of the garden. Others grow to several feet tall. But staking zinnia plants is limited to the really tall zinnias – those that grow to 3 feet (1 m.) or more.

How far apart do you plant giant zinnias?

Spacing depends on what variety you are planting and what your purpose is for your zinnias. Smaller zinnia varieties used as a border plant or in pots could be planted as close as 6 inches apart, while larger giant-flowered varieties may need up to 18 inches of space between each plant.

How long do zinnias take to bloom from seed?

around 2 months
Zinnias typically take around 2 months from seed to flower, although this can change depending on weather conditions. Here are some additional tips to grow zinnias: Choose a bright and sunny spot for your zinnias. Cover zinnia seeds with just ¼ inch of soil because they need light to germinate.

What do zinnias attract?

butterflies
Zinnias bloom all summer long and attract pollinating insects, especially butterflies. Zinnias (Zinnia spp.) are one of the most popular, easy to grow, flowering annuals for gardens.