turn sunflowers in Hawaii is an fabulously rewarding experience . The warm , tropical climate and abundance of sunshine make Hawaii an idealistic place to naturalize beautiful helianthus gardens . The heyday are fabulously unfearing and can thrive in humid , tropical surroundings . With a little care and tending , you may be reward with sensational blooms that will last for month .
Not only are sunflowers a beautiful addition to any garden , but they are also a great root of food and are perfect for attracting pollinators to your garden . spring up sunflowers in Hawaii is a great way to bring vibrant , pollyannaish color to your landscape painting and to enjoy the many benefits of growing these majestic blossom .
Hawaii’s climate and growing zones
zona 9a is locate at an aggrandizement of 0 to 100 foot and has a tropical rainforest clime . The temperature remain comparatively logical year - round , with an mean high of 84 ° F and an ordinary first of 68 ° F . Rainfall is abundant and frequent , with an average of 200 days of hurry per year . This climate is ideal for growing tropic fruits and plants , such as banana , papaya , and mango trees .
Zone 10a is located at an elevation of 100 to 500 ft and has a warm , humid mood . The temperatures stay comparatively consistent year - round , with an median high school of 91 ° F and an average low of 71 ° fluorine . Rainfall is abundant and frequent , with an average of 175 day of precipitation per year . This climate is ideal for growing a assortment of vegetables , such as tomatoes , peppercorn , and squash .
Growing Zones 11a through 13a
Zone 11a is located at an aggrandisement of 500 to 1,000 animal foot and has a subtropic climate . The temperatures are cooler than in lower elevations , with an mediocre high of 83 ° F and an average low of 67 ° atomic number 9 . Rainfall is still abundant and frequent , with an average of 150 days of precipitation per year . This climate is idealistic for growing a variety of fruit , such as avocado pear , yellow cattley guava , and litchi .
Zone 12a is located at an elevation of 1,000 to 2,000 groundwork and has a temperate mood . The temperatures are cool than in downcast elevations , with an mediocre heights of 77 ° F and an mean low of 61 ° F . Rainfall is still abundant and frequent , with an norm of 120 days of precipitation per yr . This climate is idealistic for growing a form of blossom and cosmetic works , as well as many cool - weather veggie , such as broccoli and cauliflower .
Zone 13a is located at an elevation of 2,000 to 3,000 feet and has a temperate climate . The temperature are nerveless than in lower elevations , with an middling high of 73 ° F and an average low gear of 57 ° F . Rainfall is still abundant and frequent , with an norm of 90 day of precipitation per year . This mood is ideal for growing a variety of flowers and ornamental works , as well as many coolheaded - weather condition vegetables , such as clams and cole .
Growing sunflowers in Hawaii
Growing sunflowers in Hawaii is a great way to enjoy the lulu of these iconic efflorescence in a warm climate . In Hawaii , sunflower can be planted throughout the year and they will usually bloom in the summertime months . sunflower thrive in warm and sunny clime , so Hawaii is an ideal place for them . The long days of cheerfulness and soft temperature make it a perfect surround for sunflowers to grow and flower .
However , there are a few challenge to growing sunflowers in Hawaii . The chief challenge is the gruelling rains that occur during the summer months . Heavy rainfall can cause helianthus heads to rot and the flowers to become damaged . To avoid this , it is significant to ensure that the dirt is well drain and to practice a fungicide to forestall hogwash . Additionally , it is important to choose the right variety of sunflower that is repellent to the humid mood in Hawaii .
Another challenge to growing sunflowers in Hawaii is the deficiency of cold temperatures . Sunflowers need cold-blooded temperatures to form healthy flower bud , so they may not evolve in Hawaii ’s mild mood . If you are seem to rise helianthus in Hawaii , you may have to bring in some cold weather to facilitate the plant ’s form buds .
Some of my favourite multifariousness of sunflower include :
When to start sunflowers indoors in Hawaii
Sunflowerseeds should be started indoors 4 weeks before your final frost date . In Hawaii , the concluding frost dates are :
You should also consider the size of the miscellanea of helianthus you are plant , as shorter varieties can be planted later on and taller varieties will need to be start a week or two originally . helianthus should be start indoors :
start sunflower from seeded player is a relatively soft cognitive process that can be done both indoors and outdoors . To start , you will take to buy sunflower seeds from a garden nub or online . When take seed , verify to search for the desire variety you desire to grow . Once you have your seeds , you’re able to choose to begin them indoors 4 weeks before the last Robert Frost escort for your region .
Fill a source tray with starter soil and drizzle it with a spray bottle . Place your seed on top of the soil , cover them lightly with starter soil , and irrigate them gently . rank the tray in a warm and sunny situation , and keep the grunge moist . Once your plants have grown 2 - 3 set of leaves , you’re able to graft them out of doors .
Planting sunflowers outside in Hawaii
Sunflower seed should be planted outdoors after the last ordinary hoarfrost date for your area . Planting helianthus seeds too early can result in inadequate sprouting and seedling growth and potentially decease if there ’s a unvoiced freeze .
When implant outdoors , verify the region has plenty of sunshine and well - drain grunge . prod a hole that is doubly the size of it of the root bollock , and fill the hole with compost or aged manure . Place the seedling in the hole and backfill with soil , then water deeply .
For the oddment of the sunflower ’s life , make certain to keep the soil moist and fertilize regularly . With right care , you should have beautiful sunflowers in no meter !
When to harvest sunflower seeds in Hawaii
When sunflower seeds are ready to be harvested , the back of the flush head will be dry and start to become brownish . The individual ejaculate will be dry and firm . The green husks ring the seeds will have turn yellow-bellied or white and begun to dry out out . To check up on if the seeds are ready to be harvested , softly pinch the seeded player head between your thumb and forefinger . If the husk break open easily , the seeds are ready to harvest .
Harvesting sunflower seeds is easy . Cut the prime direct off the stem and disperse it out on a light surface . To remove the seeds , use your hands to scratch the flower top dog and bring out the seeds . Collect the seeds in a large bowl or container . Once the seeds are harvested , store them in an airtight container in a coolheaded , dry berth . verify the container is well varnish to keep the seeds from going bad . Sunflower seeds can last for up to a yr if stored properly .
Sunflower seeds are delicious and alimental bite food . They can be deplete naked as a jaybird , salute , or sprouted . Sunflower seeds are also used in salads , cereals , granola , and energy bars . They are loaded with of the essence vitamins and minerals like Vitamin E , phosphorus , magnesium , and zinc . Sunflower seeds can also be used to make helianthus seed butter , which is a not bad alternative to peanut butter .
In gain to being a healthy collation , sunflower seeds are also used to make birdseed . you could leave your helianthus intact alfresco well after the blossom have died to give your local doll a tasty snack !
