Zones 3 and 4 are smaller zones, but experience cold temperatures through winter and into the spring months. The bulbs need sufficient water and humid conditions. © 2021 Copyright & Powered By Holland Group. For people in places like Florida, California, Texas, Louisiana, and other warm hardiness zones, spring-planted summer-blooming bulbs are ideal for your locations and thrive in the warm and sometimes tropical climates. Most summer-blooming bulbs are sensitive to cold soil, and below-freezing temperatures. If you need any help with gardening or if you have plant-related questions or concerns, feel free to reach out to Jenny San Filippo. As winter approaches, tulip bulbs go into their resting period. Spring flowering bulbs should be planted in the fall and are considered to be cold hardy in most zones. Online retailers like Holland Bulb Farms and Tulip World sell a variety of bulbs, perennials, fruit, and vegetable plants for planting in spring. They’re perfect as border plants, although they can be planted in containers, or as wildflower fields. Bulbs should be firm and free of mildew and mold. We will not normally be able to accept orders for bulbs after mid-April. As mentioned earlier, unless you live where the ground doesn’t freeze, you have to replant tender perennial summer bulbs every spring. Since flower bulbs that bloom in summer are frequently tender to frost, they are most commonly planted after the weather has warmed in the spring. Typically bareroot perennials are not sensitive to frost and below-freezing temperatures. Summer bulbs need warm weather and warm soil; a rule of thumb to remember is if it’s time for your tomatoes to go outdoors, it is also time to plant your summer bulb. Typically out of their assortment we consider summer-blooming bulbs to be bulbs that are planted in spring and bloom in summer. By starting my roots in pots I can control the soil temperature and moisture which is critical to starting new transplants. Starting bulbs and roots indoors can be helpful in having fuller plants with more blooms through the summer. On the other hand, planting bulbs too early can lead to fungus or disease problems. Learn tips for creating your most beautiful (and bountiful) garden ever. Planting summer-flowering bulbs will add a punch of colour to your garden from late spring right the way into autumn. When growing these flowers, you can choose between planting bulbs or buying developing plants. Many catalogs and online retailers of plants and flower bulbs will send you your items before you are safely able to plant them. Once late March rolls around they are ready for planting. You may also have plans to plant bareroot perennials this spring for growth and blooms not only this summer but for many seasons to come! Bulbs can be forced into bloom through cold treatment and then placing them in a cool, sunny window in your house. Before we can answer the question of when is the best time to plant summer blooming bulbs? That would mean that you have to have spaces between your bulbs. However, if you have the capacity to start these tender bulbs in containers inside it is recommended to do so. If you intend to dig and store your bulbs over the winter or if bulbs are perennial in your area, you should give them some supplemental fertilizer every month or so during the growing season. Sell a wide assortment of bulbs and earn 50% profit on all of your sales! Warm climate gardeners planting in late spring when the temperatures are on the rise will need to be more aware of keeping the bulbs watered once they see sprouts. However, be aware if the ground is moist and cold from snowmelt and increased rains you will want to wait until the soil warms up a bit before you plant. You can determine your hardiness zone by entering your zip code in the hardiness zone finder on the Holland Bulb Farms website here. Summer blooming bulbs should be planted outside started in June. Another large hardiness zone is zone 5, which is one of the colder zones in the United States. Again, if you are able to start your summer blooming bulbs inside before you can get to planting them in the ground I definitely suggest doing so. If you garden in a mild climate (Zones 8 to 10), you can plant these bulbs in the early spring and expect flowers by summer. Even once spring appears to be in full swing, the soil may be a bit cold. This is true for most plants, especially while they are getting established. Our summer bulbs, corms and tubers will be despatched from mid-February onwards. Spring is the best time to plant bulbs, whether in flowerpots and window boxes or simply in the ground. Summer flower bulbs, like dahlias, begonias, calla lilies, canna lilies; plus, non-flowering bulb plants like caladium and elephant ears. No longer needing to feed the growing tulip above the ground, the bulb can now concentrate on gathering all the nourishments the soil can provide. Easy to grow – Bulbs planted in spring yield flowers in about 65 days – Great Cutting Flower. Growing these bulbs in containers is a great way to give them the extra warmth they need to put on a spectacular show. Once the danger of frost has passed you may transplant the bulbs outside. Starting in September or October, plant your hyacinths a minimum of 4 inches deep. Most must be lifted, or dug up, in zones 7 and farther north in the fall. Just open the box they came in, and make sure the packages have some air and the bulbs or roots will stay in good condition for several weeks. Any. Most bulbs need a well-draining site, to prevent molding and rotting. Taking the weather into consideration in your area is the first thing to think about when planning your spring planting for summer blooming bulbs. Therefore, you may not need to wait as long to plant your bare root perennials as you do your summer-blooming bulbs. Bulbs to Plant in Spring for Summer Blooms. Weeds will compete with your plants for nutrients and the weeds often win. Planting summer-blooming bulbs: Most summer-bloomers, such as gladioli, calla lilies, dahlias, tuberous begonias, and crocosmias, love warm soil and toasty summer sun. It’s fun and easy! When you plant bulbs around existing plants, be careful not to damage the root systems of the shrubs or flowers. The heat of summer encourages bulb dormancy, but fall cooling stimulates bulb root growth. In Arizona, many bulbs can be planted in the garden once temperatures drop below 90˚F, whereas a few, like bearded iris or edible bulbs like garlic, can go in a little earlier. Keep in mind that bulbs in pots will not bloom a second time indoors after flowering. The correct depth is 1 to 2 inches from the soil surface. In late May, or after risk of frost has passed, the bulbs can be planted out into the garden. If you’d like to get a quick start on growing your summer bulbs, you can pot them up indoors a month or two before it’s time to transplant them outdoors. Amending the soil with compost or manure will help the bulbs grow, bloom and store energy. In general, early-spring bulbs — daffodils and snowdrops, for instance — should be in by late summer … Summer bulbs need warm weather and warm soil in order to thrive. Oriental lilies: The large, fragrant blooms of Oriental lilies are total show-stoppers in the garden. If you want a yard full of beautiful flowers this year, there is no better time than now to start planning and ordering your summer-blooming bulbs! Elegant flowers available… Hardiness zone 6 is one of the largest hardiness zones in the United States. If you receive flower bulbs, or perennial roots before you are able to plant them in the ground they store easily in dry, cool locations. Can you plant bulbs after the first frost? A three-inch diameter bulb would be planted about nine inches deep. If you are able to start bare root perennials in pots it will be worth the extra effort. The planting season for these summer blooming bulbs like dahlias, gladiolus, callas, canna lilies, and caladium in warm climates can last through late spring. Since no one can predict the weather from year to year, there's no calendar planting date. This zone covers a large portion of the midwest, states like Illinois, Indiana, Ohio, and, Kansas, Massachusetts, and Connecticut. In addition to considering typical temperature trends in your area use your hardiness zone as a guide for when and what to plant. … Summer flowering bulbs can maximize a flower garden with bountiful blooms. You can't plant anything over bulbs but you can plant beside them and let the Annual spread out over where the bulb is. The most popular summer-blooming bulbs are: Proper planting time for summer-blooming bulbs will vary based on your location and different type of bulbs. If you do get your items in advance of when you want to plant them, you can as mentioned above start them indoors. Confusing, no? Summer-blooming bulbs such as dahlias, tuberous begonias, elephant ears and caladiums, are heat loving plants that grow best in warm soil. Like all bulbs, they are also very easy to grow. Washington, and below-freezing temperatures in pots will not flower extra warmth they need to Feed spring …. 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