It's easy and uncomplicated. Blanch them first to remove bitterness, then steam or boil them for 3 minutes. If you're not sure what kind you have, take a look at this article, it has some helpful information. When cold weather sets in what should I do? Share on ThriftyFunThis page contains the following solutions. Following these steps you should be able grow beautiful sunflowers pretty much anywhere. How to Grow and Care for Sunflowers in Containers. wikiHow marks an article as reader-approved once it receives enough positive feedback. Don't anchor your support within the pot itself. Smaller containers will keep plants from reaching their full growth potential. The most important thing to remember with Sunflowers and temperature is not to plant them outdoors until the last frost has passed. It is possible to grow sunflowers indoors but you need to provide optimal conditions and it's best moved outdoors once frost is no longer a concern. Then cut the sunflower head off and hang it upside down until the seeds dry out. While Sunflower plants are generally very healthy and immune to common garden pests and diseases, you will find wild birds and squirrels snacking on Sunflower seeds. If it's an annual, just pull it up in the fall, and start fresh in the spring (or, you can leave the seed heads for the birds to eat over the winter). Ten-foot giant Sunflowers (Helianthus annuus) really can be grown in plant containers (even in small 3-gallon nursery pots). Last Updated: November 17, 2020 Sunflowers do grow best when they're grown directly in the ground, or you can start them in containers and transplant them into the earth when they get their first true leaves (the first 2 leaves that sprout after their seed leaves). The really tall or mammoth varieties will likely need staking to remain upright in pots. potting medium, filling the container to about halfway. Artemisia Nursery is a worker-owned small business with plans to become a worker-owned cooperative. The dwarf sunflower varieties are best for container growing, unless you have a very large pot to accommodate the larger varieties. For sunflower varieties taller than 3 or 4 feet (1 meter or so), you should support the plant with stakes as it grows. Include your email address to get a message when this question is answered. Although sunflowers are relatively light feeders, supplementing with a general purpose fertilizer will help develop beautiful blooms. Eat the Sunflower seeds yourself, feed them to wild birds, or save them for the next gardening season. If you want a sunflower that will come back, look for a perennial variety. Take care not to over-fertilize your sunflower – the stem may break. By using our site, you agree to our. ", along my plants. Once dried, you can keep the seeds in an air-tight container at room temperature for up to 4 months. When to Plant Sunflowers. But growing these beauties in your balcony container garden will attract attention from the people in your neighborhood, as well as a lot of wildlife. If your house isn’t great for sunshine, use LED or fluorescent grow lights to provide sufficient light. This article aims to help with that. Put the soil into the container, pot or window/porch box. After planting seeds, expect Sunflowers to be full-grown and blooming within about three months. Light: Mammoth sunflowers need full sun for 6 to 8 hours each day. Have something to add? Artemisia Nursery is a retail plant nursery in Northeast Los Angeles specializing in California native plants. When you harvest the giant sunflower heads, make sure to keep them in an area where animals cannot eat the seeds. This is my first year to plant sunflowers in containers. Eat the sunflower seeds yourself, feed them to wild birds or save them for the next gardening season. Almost any variety can be grown successfully in containers, as long as you meet its growing conditions and provide it with a big enough pot. Sunflower seeds are excellent sources of several B vitamins and vitamin E, and are high in protein. Fill a 16 by 18 inch (40 by 45 cm) pot with topsoil that has a pH between 6 and 7.