How to Grow Gladiolas in Pots


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Learn How to Grow Gladiolas in Pots

The tall, graceful spines of gladioli come in a wide variety of flower colors and have long been a favorite with novice and professional gardeners.

However, before the flowers bloom and after the flowers fade, the plants themselves are not particularly attractive - their sword-shaped foliage is unremarkable, and the plants can add to a beautiful garden bed. a rather messy and unkempt look.

Many gardeners learn to plant gladioli among other flowers to mask them until their spectacular bloom. But there is another solution:

By planting gladioli in containers, you can place the growing plants where you want until they bloom and are ready to harvest for cutting modes. Once cut, you can treat them like an annual flower and discard the stems and buds, or let the foliage wilt, then dig up and save the buds for replanting next year. Here are some tips for growing gladioli in pots successfully.

When to Plant Gladiolus in Pots

The general rule of thumb for gladioli is to plant them at the same time you would plant sweet corn in your area, assuming you are planting in the ground.

If you are not a gardener, it means that garden gladioli should be planted about two weeks before the last spring frost. Gladioli take 70-90 days to bloom, which means bulbs planted in early May will bloom in mid to late summer.

Gladiolus enthusiasts often change plantings every two weeks to ensure a supply of cut flowers during the summer and early fall.

However, when planting gladioli in pots, you can plan to plant them even earlier, as the soil in the pots heats up much faster than the soil in the ground.

You can plant up to four weeks before the last expected frost in spring, provided you are ready to protect the plants on the inevitable nights when frost is expected.


How to Pot Gladiolus

Gladiolus is a reasonably tolerant variety, and bulbs purchased from reputable nurseries and garden centers are generally healthy and easy to grow. However, they do have some important requirements to thrive in your container garden. Here's how to take care of it:

  • Choose a tall enough pot: Gladiolus can grow very large, some grow up to 3-4 feet tall, but their root systems are not very robust. Since the typical planting depth is only seven to eighteen inches, you will need to drive the cuttings deep into the soil to support them. Gladioli planted in small pots will continue to grow, but without the support of long cuttings, they can easily explode. Choose a pot that is at least a foot deep to house your gladioli, making sure there is at least 2-4 inches of soil under the sprouts.
  • Ensure Good Drainage: Make sure your chosen pot has large drainage holes. If the soil remains moist, the bulbs will surely rot. Some gardeners place two to three inches of gravel in the bottom of the container (covered with a layer of landscaping cloth) to prevent soil from draining and clogging the drainage holes. Also, you can choose a crockpot or crockery to soak up excess moisture from the soil.
  • Use Proper Transplant Soil: Gladiators love fast-draining soil, so their roots aren't in the water, so be sure to choose a high-quality clay soil to transplant. If your soil doesn't already include a universal slow-release fertilizer, add one before planting.
  • Plant the bulbs 7 to 12 centimeters deep, root down: bulbs usually have one or more "eyes" on top, sometimes under a cloth; These are the future stems of the plants, so this is the side that should be facing up. For all-season exposure, plant a new pot every two weeks, however, pay attention to the first frost date in the fall in your area. Glads take 70-90 days to grow and bloom, so if you have short summers, you can only do one or two plantings.
  • Place the pot in full sun: gladioli love the sun. They prefer sunlight most of the day but will continue to grow as long as they have at least six hours of sun at noon. One of the benefits of potting them is that you can move them around as the sun's patterns change throughout the day (and the season) to make sure they get enough light.

Caring for Gladiolas

Gladioli in pots are quite easy to care for if you follow a few simple tips:

  • Guardian and Support: These very heavy flowers will drop unless you drop them. When the stems of the plant are about 6 inches tall, pack the soil around their base to improve stability. You can also stake the rods individually or create a fence with bamboo sticks with string or twine.
  • Water generously once a week: a single dip once a week is much better than a light watering several times a week. After cutting the flowers, continue to water the foliage and bulbs until the leaves begin to dry out and turn brown.
  • Cut them early: Gladioli are ready to cut as soon as the lower stem buds begin to show color. Cut the stems at an angle and quickly place the flowers in the water. For longer-lasting flowers, change the water in your pot every day.
  • Leave the foliage in place: After pruning, the bulbs will fill in on their own if you let the foliage stand firm until brown and dry, at which point you can dig it up and store it for the next year. If, on the other hand, you plan to get rid of the bulbs, you can remove and discard the foliage and stems right away.


Overwintering Gladiolas

If you live in USDA hilly zones 7 and 8, you can overwinter your gladioli right in the pot, covering them with hay or straw. You can also try placing the entire container in a cool, dark indoor space during the winter.

In colder climates, you can try wintering your gladioli by digging up the bulbs before the ground freezes, about eight weeks after flowering.

Clean away dirt by washing or brushing it off and cut the stem as close to the bulb as possible. Gladioli usually form new bulbs on top of old ones; will discard the old lamp housing and keep the new lamp cool for replanting. You may also notice some small branching bulbs ("little" corms or bulbs) attached to the main bulb.

They can be saved and replanted, although it may take several years before they are mature enough to produce flowering plants.

Make sure lamps are completely dry before storing them in mesh bags, open paper bags, or winter boxes. Store in a cool, well-ventilated, dry place that will not freeze; A basement or garage works well, as long as you keep the temperature between 38 and 58 degrees Fahrenheit.

Enjoy This Video Tutorial About Planting Gladiolas in Containers

Source: Harvesting History LLC

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