Many flowers, shrubs, trees, and grasses make very little or even no pollen. And some species produce it only in certain plants. For those, all you need to do is to make sure you have female plants -- the ones that don't make the sneezy, yellow stuff.
This list will help you know what garden plants and flowers to avoid and which are fine, despite your allergies.
Worst Plants for Allergies
Amaranth (pigweed), chamomile, chrysanthemums, daisies, ordinary sunflowers.
Cypress, jasmine vine, juniper, wisteria.
Alder, ash (male), aspen (male), beech, birch, box elder (male), cedar (male), cottonwood (male), elm, hickory, red and silver maples (male), mulberry (male), oak, olive, palm (male), pecan, pine, poplar (male), sycamore, walnut, willow (male).
Bermuda, fescue, Johnson, June, orchard, perennial rye, redtop, salt grass, sweet vernal, timothy.
Cocklebur, ragweed, Russian thistle, sagebrush.
You'll have fewer worries with these plants that make little to no airborne pollen. So you can enjoy working with them and watching them grow.
Begonia, cactus, chenille, clematis, columbine, crocus, daffodil, dusty miller, geranium, hosta, impatiens, iris, lily, pansy, periwinkle, petunia, phlox, rose, salvia, snapdragon, thrift, tulip, verbena, zinnia.
Hypoallergenic sunflower seeds
All these grow 5 to 6 feet tall, and the pollen is too heavy to be spread easily.
Apricot Twist (apricot with gold center), Infrared Mix (dark crimson, ruby, golden-reds), The Joker (showy red-and-yellow double blooms), Pro-Cut Bicolor (stunning mahogany and yellow with black centers).
Azalea, boxwood (if clipped often), hibiscus, hydrangea, viburnum.
Apple, cherry, Chinese fan palm (female), fern pine (female), dogwood, English holly (female), Bradford pear, crepe myrtle, hardy rubber tree, magnolia, pear, plum, red maple (female).