Description: 15 Mongolian Gigantic Sunflower Seeds Genetically Grown Heirloom Variety Non-GMO~Worlds Largest Species! 15 Gigantic MONGOLIAN SUNFLOWER SEEDS Non-GMO USA Seller Rare Heirloom, Organically Grown in the Brooklyn Botanical Gardens Free Shipping without tracking 2023 Matured Seeds from, "My Brooklyn Botanical Garden's Club" One of the Rarest Type! And We Like This One The Best! 100% FRESH Fully Matured Seeds Easily grown Anywhere: Looking for a show stopping sunflower? Look no further than 'Mongolian Giant,' the largest of all sunflowers, which grows up to 16 feet tall. The Flowering blooms grow up to 18 inches wide and beckon to many pollinators, far and wide. After the sunny flowers have faded will come the 1 inch seeds – (as shown) more than twice the size of other sunflower seeds. They are delicious to eat when roasted, or you can leave seed heads standing to create a feast for songbirds. Non-GMO, neonicotinoid-free, and guaranteed to grow or your money-back. What a Great Annual. Botanical Name Helianthus annuus 'Mongolian Giant' Want to see a giant in your garden? Our Mongolian Giant Sunflower Seeds grow up to 16 feet tall! These really are the largest sunflowers in the world. The blooms are impressive, too: their heads can grow up to 18 inches across! After the blooms have faded, you and the birds will have enough seeds to last the whole year! How to Plant 1. Enrich the soil before planting and keep it well-fed. Sunflowers are hungry plants, and the giant hybrids will take even more nutrients out of the ground. First, make sure that your soil isn’t compacted. In order to sustain fast, consistent growth, sunflowers send out a tap root and a strong root system. Heavy compaction in the soil will not stop this process, but it will slow it down significantly and stunt your plant’s initial growth spurt. Tall sunflowers add curb appeal to residential neighborhoods. With sunflowers, the bigger they grow, the stronger and more vigorous they get, so once they get past the initial stage, they’ll be able to grow just fine. It’s the initial stage that they need the most help with (like any plant, of course). So make sure that you don’t plant it in a location with thick underground tree roots or heavy clay. Before you plant your seeds, you should enrich the soil. You can work fresh compost, well-rotted manure or chicken pellets into the soil, about 8 to 10 inches deep. 2. To maintain the soil properly fed throughout the growing season, you can fertilize with fish emulsion, seaweed emulsion or compost tea, all properly diluted according to the instructions on the packaging. Unless you’re planning on entering a “tallest sunflower competition,” you can get away with only feeding the plants once a month. Keep in mind that when you fertilize your sunflower, you shouldn’t pour the liquid (not even the organic one) directly on the stem or right above the root of the plant. You should apply the diluted feed about eight inches around the area where the stem pokes out of the ground. 3. A full sun location for your sunflowers is non-negotiable. If your goal is to grow giant sunflowers with equally giant blooms, you must choose a location that gets full sun. This means at least six to eight hours of direct sunlight a day. More is better, but it may not be achievable for gardeners in northern climates. Sunflowers need to get at least six to eight hours of direct sun in order to grow tall. If you are gardening in a zone with shorter, wetter summers, even the varieties that we mentioned above may not reach their full height. Don’t be discouraged though! This doesn’t mean that you won’t be able to grow sunflowers at all, it just means that your sunflowers won’t get as tall. The good news is that you’re still likely to get a good seed harvest from your crop. 4. If possible, sow your sunflowers directly. Even though you may be tempted to get a head start on the season by starting your sunflower seeds indoors (and you can do that, about three weeks to a month before the last expected frost date in spring), the best option for growing tall sunflowers is to direct sow them straight into the spot where you plan on growing them. Sunflower sown directly make an excellent green structure for privacy. This is because sunflowers hate having their roots disturbed. And the sooner you give them the space to grow their vigorous taproots into their final location, the better the root structure will grow. Strong roots (that can even reach four feet in depth below the ground) are crucial for growing tall sunflowers. Not only do they help the plant access nutrients and water (even in a drought), but they also provide deep anchoring and support for these yellow giants. Sunflowers hate having their roots disturbed, so you should sow the seeds directly into the ground. Keep in mind that you won’t be able to grow tall sunflowers with large blooms in pots. Even if you’re using deep outdoor pots or planters, you’ll still have trouble keeping the soil sufficiently fed and moist enough to result in a good tall crop. If you want to add potted sunflowers to your garden, have a look at the dwarf varieties we mentioned above. They’ll make wonderful porch plants or patio borders. Along the same lines, if you’re gardening in raised beds, make sure that your bed is tall enough, or extends deep enough below the raised structure to allow proper root development for your sunflowers. A shallow gardening bed with no room for roots to dig into is just as bad as growing your plants in containers. These sunflowers may not have enough room for root development. You should sow your sunflowers outdoors after your last expected frost date, as long as night temperatures aren’t forecast to fall below 50F. So depending on what USDA zone you’re gardening in, this may be anywhere from early April (if you’re in a warmer climate) to early June (if you’re gardening further north). To sow your sunflowers, simply press your seeds about one inch into the ground and about 6 to 8 inches apart (if you’re planning on thinning them, more on this below) or about 20 inches apart if you’re not oversowing. If you’re planting more than one row, make sure that the rows are about two feet apart and the seeds are staggered along their respective rows. Make sure you space out your sunflowers to allow them room to grow. Once the seeds are in the ground, water thoroughly to get the soil settled around the seed. Keep the area moist, but not soggy. If the soil is warm enough, you’ll start seeing beautiful new seedlings in about 10 to 12 days. This is just the beginning though. It takes tall sunflowers anywhere from 70 to 120 days to reach maturity (that’s when they produce viable seeds). But I really think it’s worth it! 5. Sow extra sunflower seeds and thin them out. I admit that I’m not a big fan of oversowing and thinning. Being a frugal gardener, especially when it comes to my seed collection, I often don’t see the point in wasting perfectly good seeds. But even I believe that thinning is an important factor in growing tall sunflowers with large blooms. Thinning allows proper root development because it eliminates competition between plants. Because they’re very fast growers, at least compared to other plants in the garden, overcrowded sunflowers will soon be vying for light (above ground) and root space and nutrients (below ground). So rather than having a few vigorous sunflowers to fill your space, you’ll be left with a scraggly collection if you don’t thin them out. How much you should thin them depends on a few factors, including how much sun your site gets and what variety of sunflowers you’ve planted. Always check the instructions on the seed package for more personalized advice. Thinned out sunflower seedlings that didn’t make the cut. In general, you should wait until your seedlings have grown tall enough to be able to distinguish the tallest contenders. So once your seedlings have grown to about five inches tall, grab a tape measure, stretch it along the ground, and pluck the weakest-looking plant roughly every 15 to 20 inches apart. This variation in spacing depends on what variety you’re growing. For example, ‘Mammoth’, ‘American Giant’ and ‘Paul Bunyan’ sunflowers will need to be thinned further apart than their mid-sized counterparts. At this point, you should mulch the soil around the plants to help it retain moisture and even out the temperature below ground. Make sure that the mulch doesn’t touch the stem of the sunflower. 6. Pinch the sunflower side shoots, if any. Most of the large varieties we’ve described above are single-stock blooms. That means they will only put out one bloom head per sunflower, allowing the plant to focus its growth energy into that single seed head. But if you’ve chosen a variety that branches sideways to put out multiple blooms around the stalk, you may not get as large a main bloom. In this case, you can pinch off the extra blooms as soon as you notice them forming (much as you would pinch the suckers off your tomato plants). Or you can wait for the blooming head to form and harvest it for a cut flower arrangement indoors. You can cut off the side shoots if you want your sunflower to direct all its energy into the main seed head. This only matters if your goal is to grow giant tall sunflower blooms, so there’s no need to pinch the suckers if you’re ok with getting smaller blooms, but more of them. 7. Protect your sunflowers at different stages of growth. One of the reasons I love growing sunflowers is for their seed head harvest. Unfortunately, I share this preference with birds, slugs, squirrels and deer. And while I leave a lot of other seed-producing plants in the garden to feed the local bird population, I readily admit that I’m not as generous with my sunflower seeds. Sunflowers need protection at different stages of growth, but that’s especially true once you’ve just planted the seed. Mice, birds, slugs and other critters will be getting a delicious feast if you forget to cover your seeds, and you’ll be left wondering why none of your seeds germinated. You’re not the only one waiting for the sunflowers to ripen. Once you’ve sown your sunflower seeds, you can cover the area with white garden netting (white is better as it lets more light in), a low tunnel or, in a pinch, a plastic bottle cut in half and placed above every individual seed as a dome. Once the seeds have germinated, you can remove the netting. If you get uninvited deer guests to your garden, you should know that they might be attracted by the crunchy seed heads before they ripen and dry. In this case, you should plant your sunflowers in a fenced-in spot. 8. Stake your sunflowers early in the season. The main attraction point of a tall sunflower – the majestic flower head – may also result in its downfall, quite literally. When you’re planting a tall sunflower variety, you should take into account its expected maximum height and the expected size of the bloom. That’s because a lot of the tall varieties have been bred for height, but not necessarily for sturdiness. A crowded out sunflower reaching for the sun. To avoid having to create too many support rigs for your sunflowers, consider planting them in a sheltered area right from the get-go. By that, I mean sheltered from strong winds and storms, but not too sheltered to get enough sun. You can plant your sunflowers along a fence (especially if you’d like to mask said fence) or next to your house since sunflowers make a wonderful privacy wall in the summer and fall. In exposed gardens, you should create anchoring structures for your sunflowers early in the growing season. Even if your plant might not seem to need it, as soon as the flower head blooms and starts ripening, the weight of the seeds may cause the entire plant to become top-heavy and topple over in a storm. Place a sturdy bamboo pole next to each plant and secure it with a thick jute rope in a few spots along the stem of the sunflower. If necessary, a second bamboo stake can act as a counterbalance. A trellis made out of bamboo canes is the perfect support for tall sunflowers. 9. Save seeds from your largest sunflower. Yep! You’ve made it to the end of the season and managed to grow giant sunflowers. Good job, but don’t rest on your laurels just yet! Now’s the best time to set yourself up for success for next year. Pick your tallest, largest sunflower as your source of seeds for the following growing season. I don’t know about you, but seed saving is one of my favorite things about gardening. I can almost smell the anticipation and possibility in the air. This sunflower is not ready for seed collection yet. When are the sunflower seeds ready for harvest? You’ll know once the yellow petals and the florets that cover the head of the seed have dried and fallen off. The bracts (the leaf-like structures that grasp the back and the sides of the flower head) are beginning to dry and so are the leaves (starting with the bottom ones). You can simply cut off the flower head and hang it upside down in a dry place to allow it to finish drying. Pick a couple of seeds every now and then to test. If the seed shells are hard, then your seeds are ready for harvesting. Tap the flower head gently for the seeds to fall off, or simply use your fingers to dislodge the seeds. This sunflower is ready for seed harvesting. If you want your seeds to finish drying on the plant itself, remember that you’ll be competing with the birds for the best pickings. You can cover the seed head to make it harder for them to reach the seeds – a mesh bag, paper bag or muslin bag placed around the seed head should be enough to keep the birds away. Just to avoid disappointment when you’re saving seeds, you should know that heirloom sunflowers are more likely to grow true to type than hybrids. This doesn’t mean that hybrids won’t grow at all, but you may not get a plant with the same characteristics as the mother-plant. About Seed Type: 100% Heirloom Sunflower Seeds Life Cycle: Annual Planting Season: Spring Color: Yellow, Orange Growth Habit: Upright Bloom Season: Summer through Fall Use Container Garden, Cut Flower Garden Growing Conditions Drought Tolerant, Heat Tolerant, Outdoor Plant Plant Characteristics: Attracts Bees, Attracts Butterflies, Attracts Pollinators, Easy to Grow & Maintain, Food source: Edible Planting Season Spring Sowing Method Direct Sow Light Requirement Full Sun Planting Depth 1/2 inch Plant Height Up to 200 inches Plant Spacing 8 to 12 inches Water Needs Average Hardiness Zones 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 Please Note Our Return Policy At SaveDoe: THERE'S NEVER ANY RESTOCKING FEES ON ANYTHING YOU PURCHASE and We Will Insure your Satisfaction on Every Item! If There's Ever A Problem, Just Let US Know and We'll Respond with a Solution, Giving You, Our Customer, "Pure Total Satisfaction" no questions asked! 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Price: 3.88 USD
Location: Brooklyn, New York
End Time: 2024-08-16T14:59:13.000Z
Shipping Cost: 0 USD
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Item Specifics
Restocking Fee: No
Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
Common Name: Mongolian Sunflower
Indoor/Outdoor: Outdoor
Color: Green, Orange, Yellow
California Prop 65 Warning: NONE
Brand: From, My Brooklyn Botanical Garden Club
Season of Interest: Fall, Spring, Summer
Type: Mongolian Gigantic Sunflower
Life Cycle: Annual
The Rarest Type of Mongolian Sunflower of 100% Heirloom Variety: FRESH AND MATURED SEEDS FOR 2024
Watering: Light
Genus: Helianthus annuus 'Mongolian Giant'
Sunlight: Full Sun, Medium Sun
Features: Air Purifying, Edible, Fast Growing, Flowering
Cultivating Difficulty: Easy
Country/Region of Manufacture: United States
Unit Quantity: 15 seeds