Growing sunflowers in Nevada is a great way to add a splash of beauty and joy to your garden! With the perfect combination of sun and soil, Nevada is an ideal place for growing sunflowers. Sunflowers thrive in Nevada’s warm summer weather and can reach up to ten feet in height with beautiful, bright yellow petals.
Sunflowers are also drought tolerant, so they can survive in Nevada’s dry climate. Not only are sunflowers stunning to look at, but they are also an excellent source of food for pollinators and other beneficial insects. With some care and attention, sunflowers can bring your garden to life and provide months of beauty and joy!
Nevada’s climate and growing zones
Zone 5 is typically characterized by cold winters and hot summers, with average minimum temperatures ranging from -20° to -10° Fahrenheit during the coldest months of the year. Growing seasons tend to be relatively short, with frost dates occurring in late September or early October and the last frost occurring in late May or early June. Due to the short growing season, the plants that can thrive in this zone are typically cold-hardy, such as ornamental trees, shrubs, and perennials.
Zone 6 is a transition zone that is slightly warmer than zone 5, with average minimum temperatures ranging from -10° to 0° Fahrenheit. Growing seasons are longer and more temperate, with the last frost usually occurring in mid-May and the first frost in mid-October. This zone is suitable for growing a wide variety of vegetables and fruits, as well as many shrubs, trees, and perennials.
Zone 7 is characterized by warm winters and hot summers, with average minimum temperatures ranging from 0° to 10° Fahrenheit. Growing seasons are long and temperate, with the last frost happening in late April and the first frost in late October or early November. Many warm-weather vegetables, fruits, and flowers can be grown in this zone, as well as many types of trees and shrubs.
Growing Zones 8 and 9
Zone 8 is characterized by mild winters and hot summers, with average minimum temperatures ranging from 10° to 20° Fahrenheit. Growing seasons are long and temperate, with the last frost usually happening in mid-April and the first frost in mid-November. This zone is suitable for growing a wide variety of vegetables, fruits, flowers, and trees.
Finally, zone 9 is the warmest zone in Nevada and is characterized by mild winters and hot summers, with average minimum temperatures ranging from 20° to 30° Fahrenheit. Growing seasons are long and temperate, with the last frost usually happening in late March and the first frost in late October or early November. This zone is suitable for growing many warm-weather vegetables, fruits, flowers, and trees.
Growing sunflowers in Nevada
Growing sunflowers in Nevada can be a tricky endeavor due to the extreme climate. Nevada has very hot summers and fairly cold winters, making it difficult to successfully cultivate many types of flowers. Sunflowers are hearty, hardy plants and are able to withstand the fluctuating temperatures of the Nevada climate.
In the hot summer months, sunflowers thrive in the direct sunlight and warmth that Nevada has to offer. When temperatures reach over 90 degrees, it is important for gardeners to water their sunflowers frequently, as the sun and heat can cause the flowers to dry out quickly. Nevada’s dry climate can also be a challenge, so gardeners should be sure to keep their sunflowers hydrated.
The cold winter months can be a challenge for sunflowers in Nevada, as the temperature can drop drastically, making it difficult for the plants to survive. Gardeners should take extra care to protect their sunflowers during the winter by mulching around the base of the plants and providing a layer of insulation. Sunflowers are hardy plants, but the cold temperatures can still take a toll on them.
Some of my favorite varieties of sunflower include:
- Mammoth Grey Stripe Sunflower (Helianthus annuus) – 75-100 days to maturity
- Teddy Bear Sunflower (Helianthus annuus) – 60-90 days to maturity
- Red Sun (Helianthus annuus) – 65-95 days to maturity
- Autumn Beauty Sunflower (Helianthus annuus) – 75-90 days to maturity
- Lemon Queen Sunflower (Helianthus annuus) – 75-95 days to maturity
- Velvet Queen Sunflower (Helianthus annuus) – 90-110 days to maturity
- Dwarf Sunspot Sunflower (Helianthus annuus) – 60-90 days to maturity
- Giant Sungold Sunflower (Helianthus annuus) – 85-110 days to maturity
- Evening Sun Sunflower (Helianthus annuus) – 75-95 days to maturity
- Sundance Kid Sunflower (Helianthus annuus) – 75-95 days to maturity
When to start sunflowers indoors in Nevada
Sunflower seeds should be started indoors 4 weeks before your final frost date. In Nevada, the final frost dates are:
- Zone 5: Around April 30th
- Zone 6: Around April 21
- zone 7: Around April 3
- zone 8: Around March 28th
- zone 9: Around February 28th
You should also consider the size of the variety of sunflower you are planting, as shorter varieties can be planted later and taller varieties will need to be started a week or two earlier. Sunflowers should be started indoors:
- Zone 5: Around April 1st
- Zone 6: Around March 24th
- zone 7: Around March 6th
- zone 8: Around February 27th
- zone 9: Around January 31st
Starting sunflowers from seed is a relatively easy process that can be done both indoors and outdoors. To begin, you will need to purchase sunflower seeds from a garden center or online. When selecting seeds, make sure to look for the desired variety you want to grow. Once you have your seeds, you can choose to start them indoors 4 weeks before the last frost date for your region.
Fill a seed tray with starter soil and moisten it with a spray bottle. Place your seeds on top of the soil, cover them lightly with starter soil, and water them gently. Place the tray in a warm and sunny spot, and keep the soil moist. Once your plants have grown 2-3 sets of leaves, you can transplant them outdoors.
Planting sunflowers outside in Nevada
Sunflower seeds should be planted outdoors after the last average frost date for your area. Planting sunflower seeds too early can result in poor germination and seedling growth and potentially death if there’s a hard freeze.
When planting outdoors, make sure the area has plenty of sunshine and well-draining soil. Dig a hole that is twice the size of the root ball, and fill the hole with compost or aged manure. Place the seedling in the hole and backfill with soil, then water deeply.
For the remainder of the sunflower’s life, make sure to keep the soil moist and fertilize regularly. With proper care, you should have beautiful sunflowers in no time!
When to harvest sunflower seeds in Nevada
When sunflower seeds are ready to be harvested, the back of the flower head will be dry and start to turn brown. The individual seeds will be dry and firm. The green husks surrounding the seeds will have turned yellow or white and begun to dry out. To check if the seeds are ready to be harvested, lightly pinch the seed head between your thumb and forefinger. If the husks break open easily, the seeds are ready to harvest.
Harvesting sunflower seeds is easy. Cut the flower head off the stem and spread it out on a clean surface. To remove the seeds, use your hands to rub the flower head and release the seeds. Collect the seeds in a large bowl or container. Once the seeds are harvested, store them in an airtight container in a cool, dry place. Make sure the container is well sealed to keep the seeds from going bad. Sunflower seeds can last for up to a year if stored properly.
Sunflower seeds are delicious and nutritious snack food. They can be eaten raw, toasted, or sprouted. Sunflower seeds are also used in salads, cereals, granola, and energy bars. They are loaded with essential vitamins and minerals like Vitamin E, phosphorus, magnesium, and zinc. Sunflower seeds can also be used to make sunflower seed butter, which is a great alternative to peanut butter.
In addition to being a healthy snack, sunflower seeds are also used to make birdseed. You can leave your sunflowers intact outside well after the flowers have died to give your local birds a tasty snack!