Growing sunflower in Arizona is a great mode to contribute a splash of colouring material and lifespan to your garden . With the right amount of sunlight and water , sunflowers can flourish in the Arizona clime , adding a beautiful display of vibrant lily-livered and orange blooms to your out-of-door space .
Sunflowers are incredibly hardy , meaning they can tolerate the heat of the Arizona summer as well as the low temperature of the Arizona wintertime , arrive at them a enceinte choice for year - round beauty . They are also great for attract bee and butterflies to your garden , providing a natural rootage of pollination . With their easy caution requirements and stunning stunner , grow sunflowers in Arizona is a keen manner to add a act of cheerfulness to your garden .
Arizona’s climate and growing zones
Zone 4b is discover in the northern regions of Arizona , and has dusty winters and forgetful summertime . This zona get freezing temperatures in the winter and usually have a short growing season due to former snowfall . Plants that expand in this zone are typically sturdy and can tolerate frigid temperature , such as conifers , evergreens , and shrubs .
zona 5b is found in the northern and central region of Arizona , and has mild winter and hot summers . This zone experience clear frost and temperature that can omit to -10 ° F in the winter , and temperatures can reach above 105 ° F in the summertime . plant that can stand these condition include deciduous trees , shrubs , and some perennial .
geographical zone 6b is found in the northern and fundamental region of Arizona , and has mild winters and hot summers . This zone experiences idle hoarfrost and temperature that can drop to 0 ° F in the winter , and temperatures can reach above 110 ° farad in the summer . Plants that can thrive in this zone include deciduous Sir Herbert Beerbohm Tree , shrubs , and some perennial .
Growing zones 7b through 10b
Zone 7b is regain in the central regions of Arizona , and has mild winters and live summertime . This geographical zone experiences promiscuous frosts and temperatures can drop to 10 ° F in the wintertime , and temperatures can give above 115 ° F in the summer . Plants that can go in this zona are typically drought - broad and can withstand rut , such as cacti , succulents , and some perennials .
geographical zone 8b is chance in the central and southern regions of Arizona , and has soft winter and red-hot summer . This zone experiences faint hoar and temperature can unload to 20 ° F in the winter , and temperatures can reach above 120 ° F in the summertime . Plants that thrive in this geographical zone are typically drouth - tolerant and can resist heating , such as cacti , succulents , and some perennials .
Zone 9b is found in the southern regions of Arizona , and has mild winters and hot summers . This geographical zone experiences light rime and temperature can drop to 30 ° F in the wintertime , and temperature can strive above 125 ° F in the summertime . Plants that can hold up in this zone are typically drought - large-minded and can hold heat , such as cacti , succulents , and some perennials .
geographical zone 10b is found in the southerly region of Arizona , and has modest wintertime and hot summers . This zona experiences light Frost and temperature can neglect to 40 ° F in the winter , and temperatures can reach above 130 ° F in the summer . Plants that fly high in this zone are typically drouth - tolerant and can withstand oestrus , such as cacti , succulent , and some perennials .
Growing sunflowers in Arizona
grow sunflowers in Arizona can be a rewarding hobby , as the clime in the State Department is generally warm and cheery , make it ideal for the growth of sunflowers . sunflower need at least six hours of lineal sunlight per day to thrive , and Arizona ’s cheery years make it an ideal place for sunflowers to originate .
The climate of Arizona is great for rise sunflowers , as it is generally warm and dry , with temperatures seldom dip below freezing . This makes it light to spring up helianthus in Arizona , as they will not put up from the cold temperatures that can sometimes occur in other function of the United States .
The soil of Arizona is also idealistic for uprise helianthus , as it is nourishing - rich and can easily be amended with compost , manure , or other organic matter . This helps to encourage the goodly growth of the sunflowers , as their etymon can easy get at the nutrient they need to prosper .
tearing sunflowers in Arizona is also important , as the mood is commonly very dry . sunflower should be watered at least once per calendar week , but more often in the summertime months when temperatures are higher and the soil is more likely to dry out .
Some of my favorite varieties of helianthus let in :
When to start sunflowers indoors in Arizona
Sunflowerseeds should be started indoors 4 calendar week before your final frost date . In Arizona , the last frost date are :
You should also reckon the sizing of the variety of sunflower you are planting , as shorter sort can be planted later and improbable kind will need to be started a calendar week or two originally . Sunflowers should be started indoors :
Starting sunflowers from seed is a relatively light 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 certain to look for the desired assortment you need to develop . Once you have your seed , you’re able to choose to start them indoors 4 week before the last frost date for your realm .
Fill a seed tray with starter soil and drizzle it with a spray bottle . Place your seeds on top of the soil , insure them lightly with starter dirt , and irrigate them gently . target the tray in a quick and sunny office , and keep the soil moist . Once your plants have rise 2 - 3 sets of leaves , you may transpose them outdoors .
Planting sunflowers outside in Arizona
helianthus seeds should be plant outdoors after the last average Robert Frost date for your area . Planting sunflower seed too too soon can result in inadequate germination and seedling increment and potentially death if there ’s a intemperate freeze .
When found outdoors , ensure the area has muckle of temperateness and well - debilitate land . savvy a hole that is doubly the sizing of the root glob , and fill the gob with compost or aged manure . rate the seedling in the hole and backfill with land , then weewee deeply .
For the residue of the helianthus ’s living , make certain 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 Arizona
When helianthus seed are ready to be harvest , the back of the flower head will be dry and start to turn dark-brown . The individual seeds will be teetotal and fast . The green husk surround the seeds will have turn yellow or white and set out to dry out . To verify if the source are quick to be harvested , lightly pinch the seed head between your pollex and index . If the husks break up overt well , the seeds are ready to glean .
Harvesting sunflower seeds is well-off . Cut the flower head off the stem and spread it out on a clean surface . To off the seeds , use your hand to rub the flower promontory and release the seeds . Collect the seeds in a large bowl or container . Once the seed are harvested , stash away them in an airtight container in a nerveless , wry place . verify the container is well sealed to keep the seeds from going bad . Sunflower source can last for up to a year if store properly .
Sunflower seeds are toothsome and nourishing bite food . They can be eat raw , toasted , or sprouted . helianthus seeds are also used in salad , cereal , granola , and energy bar . They are dilute with all important vitamins and minerals like Vitamin E , Lucifer , magnesium , and Zn . Sunflower seed can also be used to make helianthus seed butter , which is a great choice to peanut butter .
In summation to being a healthy collation , sunflower seed are also used to make bird feed . you’re able to allow your sunflowers integral outdoors well after the flowers have croak to give your local bird a tasty collation !