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Two Parts:Preparing to PlantPlanting Your Begonias

Begonias are a classic gardeners' favorite for their ease of growing and beautiful color. Whether you want a new houseplant to add to your collection, something to add to your hanging baskets, or a new addition for your outdoor garden, consider planting begonias. Although they are annuals that require yearly replanting, they are well worth the effort.


Part 1 of 2: Preparing to Plant

  1. Grow Begonias Step 1.jpg
    Select a type of begonia to plant. There are two general types of begonias: those grown from seeds, and those grown from tubers/bulbs. The seed-started begonias tend to be a bit smaller and difficult to grow, while bulb begonias are sturdier and larger plants. Both varieties come in many color options including shades of pink, white, purple, yellow, and red. Bulb and seed begonias are annuals, although the bulbs can be saved and replanted in later years. If you’re not up for the hassle of bulbs and seeds, head to your local nursery to pick up a small potted begonia to transplant.
    • In rare opportunities, you may find a type of perennial begonia, but these aren’t common.
    • You can choose to start begonias from cuttings as well.
  2. Grow Begonias Step 3.jpg
    Choose a location. Begonias are one of many common flowers that can be grown successfully both indoors and outdoors. They like lots of shade, making them the perfect addition to your houseplant collection. If you plant your begonias in a pot, choose a location in your house on an eastern, western, or southern facing window. They can also be placed on a shaded porch, which gets plenty of ambient sunlight. If you’re planting them in garden, place them in a shady patch under other larger plants or on the northern side of your garden.
    • Begonias can handle partial sun, but avoid placing them in direct sunlight.
    • If you don’t have any indoor window space for potted begonias, you’ll need to use a lamp in order to provide them with a bit of light.
  3. Grow Begonias Step 5.jpg
    Prepare your soil. Rather, don’t prepare soil at all, as begonias grow better in soil-free garden mix than then do in typical ‘dirt’. Prepare a mixture of ⅔ peat moss and ⅓ soil-free potting mixture (available at gardening supply stores and nurseries). Begonias like acidic, well-draining environments which the peat moss mixture easily provide. If you must use soil outside, incorporate plenty of peat moss and organic matter into the soil to provide the best environment for your begonias.
    • If you use a peat moss mixture, soak the moss in boiling water and allow it to cool prior to planting the begonias.
    • You can use a 20-20-20 liquid fertilizer on your soil/soil mixture for some added nutrients for the begonias.
  4. 4
    Know when to plant. Begonias are annuals, so they won’t grow back each year. Therefore, each year you will have to replant them, typically in mid spring. Begonias don’t handle cold temperatures and frost well, so wait until at least one week after the final frost of winter to plant them. If nothing else, plant them in a pot early indoors, and then transplant them outdoors when the weather warms up.[1]

Part 2 of 2: Planting Your Begonias

  1. Grow Begonias Step 5.jpg
    Prepare your garden plot/container. If you are planting your begonias outside, dig a hole a few inches deep for seeds and bulbs, or large enough to cover the root ball of a potted plant. Begonias that are going to be placed in raised beds or pots should be given a container only slightly larger than their root ball, or intermixed in a larger container with other potted plants. Begonias don’t need much space, so feel free to plant them closely to other plants in your garden, or near the edge of your pot/bed.[2]
  2. Grow Begonias Step 6.jpg
    Plant your begonias. Remove the bulbs, seeds, or transplant and place it in the hole you’ve dug. Each begonia plant should be placed in its own hole, although these can be put close together. Cover the top of the root ball, bulb, or seeds with a few inches of soil/potting mixture. If you’re planting a small begonia plant, break apart the root ball a bit before placing it in the hole.
  3. Grow Begonias Step 7.jpg
    Water the plant. Most plants need a bit of extra watering after first being planted, in order to avoid what is known as ‘transplant shock’. Give your begonias a heavy watering, so that the soil is moist but not drenched. The flowers will need to be watered every few days from there on, either manually or with a sprinkler system. Begonias don’t tolerate heavy waterings well, so don’t worry about keeping their plot constantly wet. In fact, if it rains heavily in your area, you may have to move your begonias onto a porch or indoors to prevent them from drowning.
  4. Grow Begonias Step 8.jpg
    Maintain the garden plot. If you planted your begonias in a pot on your porch or indoors, you won’t have to deal with weeds much. However, if your plants are in an outdoor garden, check for weeds every few days and pull them out. Add a 20-20-20 liquid fertilizer about once a month, or mix in a bit of compost and peat moss for added nutrients. You can choose to mulch your garden if you would like, as this will trap moisture (meaning less frequent waterings) and prevent new weeds from sprouting.
  5. Grow Begonias Step 9.jpg
    Dead-head the begonias. Over time, you’ll notice that the flowers on the begonia plant will begin to brown and die. At this point, you should do a process known as ‘dead-heading’. This involved cutting or pulling off the dead flower head, so as to promote new growth and divert nutrients to other parts of the plant. At the end of the blooming season, remove all the dead buds and leave the green plant. This way, the nutrients the plant gathers will all be stored in the bulb for the next growing season, rather than going to help the flower buds that are already dead.
  6. 6
    Protect your plants from pests. Although outdoor plants are always at risk for abuse from nature, indoor plants can become pest-ridden as well. Keep your begonias safe from slugs and snails outdoors by crushing eggshells and placing them around the base of the plant. Indoor plants often become infested with mealy bugs, which can be killed with a bit of regular rubbing alcohol in a spray bottle. Other pests can be done away with with a mild insecticide used for gardening. Talk to a local nursery worker to get advice on the best method for your begonias.[3]
  7. 7
    Pick your begonias. Begonias aren’t typically used in floral arrangements because they lack long stems, but you can pick the flowers for decorative uses such as pressings. Pinch or pluck the flower from the top of the greenery, avoiding taking too many leaves/too much of the stem with it. You can pick as many as you like during the growing season, as they should grow back after several days.
  8. Grow Begonias Step 10.jpg
    Protect the plants from the cold. If your plants aren’t dead when it begins to freeze outside, you can save them by bringing them indoors. This really only works for potted plants outdoors, though. Place the pots in a window that gets lots of sunlight. For the first 1-2 weeks indoors, the begonias will drop lots of leaves, but this is normal for being transplanted. They should be good as new after acclimating to their new environment.
  9. 9
    Save the bulbs. At the end of the year when your plants are all preparing for the winter, you can save the bulbs from your begonias to replant the following spring. Wait until the plant has completely browned, and then pull all the major stems/leaves from the bulb. Put the bulb(s) onto a grate or screen in a cool, dry area to dry out for 5-7 days. When they are totally dry, they can be put away for storing. The bulbs should then be placed in a cardboard box full of dry peat moss until they are ready to be replanted in the spring.[4]

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  • If you pinch back pieces of the begonia, you can put these in water in your house to root. Once the roots develop well, set the cutting out in a pot to grow a new begonia.
  • Begonias can be started from seed, but it takes about 4 months for them to be ready to go outdoors. The seeds are very delicate, so it is difficult to start your plants this way.

Things You'll Need

  • Peat moss
  • Sand
  • Fertilizer
  • Water
  • Garden hoe
  • Container with drainage holes
  • Hanging baskets

Article Info

Categories: Growing Flowers

In other languages:

Español: Cómo cultivar begonias, Deutsch: Begonien anpflanzen, Français: Comment planter des bégonias, Italiano: Come Coltivare le Begonie, Português: Como Cultivar Begônias, Русский: вырастить бегонии, 中文: 种植秋海棠, Bahasa Indonesia: Menanam Begonia

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