How to prune zinnia plants is a way to encourage them to produce more blooms once they reach a decent height of ten inches using sterile garden shears. Zinnias are delightful flowering plants and if pruned in the proper manner, they not only thrive healthily but also display adequate flowers with vibrancy.
To understand the process of pruning zinnias, read this article to get all the information. We lay down the procedure in an easy and step-by-step manner-from the right season to prune to efficiently maintaining the foliage, so read on and wait no longer.
How To Prune Zinnias
Prune zinnias once they are around ten inches in length by cutting back the top of the main stem and the side branches that protrude outward. You must trim right so that no damage is caused, and prune during the growth phase to give a boost to the foliage.
– Step 1: Get Your Tools Ready
To place sharp, gentle cuts without causing any damage to the main stem of the plant, you will need proper tools. Use pruning shears or large secateurs for thicker sections of the plant and regular garden scissors to remove deadhead zinnia and thinner stems.
Note that you must always sterilize all your tools with a diluted solution of isopropyl alcohol before use to prevent the spread of fungal and bacterial diseases. In additional, it is also recommended to wear garden gloves as a safety measure while handling stems that may otherwise tend to be harsh on the skin.
– Step 2: Place the Right Cuts
Growing zinnias up to 10 to 12 inches are necessary before you prune them. However, it is very important that you wait until this height equips the plant with several nodes and a couple of sets of leaves, above which you will be placing your cuts.
The Nodes are essential for new stem growth and to prevent die back of the plant. Begin by pinching the tender leaves and flower sections about four inches from the top, which encourages the zinnia plant to grow laterally.
Work your way slowly to the sides of the plant, looking for two stems joined. Cutting off at this point aids the plant in growing bushier.
Note that it is during this stage, when you could choose to place most of your cuts at the lower stems, which will enable the plant to grow lower to the ground, or snip the higher stems to give it more height. Yet again, the choice is yours and depends on how you want the plant to look.
– Step 3: Thin Out the Plant
It is recommended to thin out the interior stems to tackle the issue. Cut through the inner stalks and open them up to permit airflow. Leave the healthiest of the branches and prune the weak and limp ones. Once you have reduced the crowding of the stems, adequate sunlight can reach all sections of the plant.
To elaborate further, this latter is because the zinnia plants can become thick and dense in the center and, if left in this state, can be more prone to fungal and bacterial diseases.
The moisture trapped in the inner sections of the foliage makes it a perfect breeding ground for conditions such as powdery mildew. Additionally, the foliage may begin to die deep in the middle as sunlight may seldom penetrate due to the crowding of the branches.
The Right Season and Time
The right season and time to cut zinnias is one of the key determiners to see it thrive again, hence you should take into consideration to prune in warm seasons, and to take matters into hand during the morning when the sun isn’t heavily intense.
– The Months to Prune
The plant is most responsive through the warm season, and the tender stem sections that have been cut back during these months can be used for propagation as well.
Begin trimming early in spring by gently pinching the top sections of the main stem and cutting back additional growth, often during the summer months.
Remember, the plant is sensitive to frost and chilly winds; thus, pruning when the cold sets in is damaging because it will go through shock. The only thing you have to do at the finale of the warm season is to harvest the zinnia seeds.
– The Time of Day to Prune
The right time of the day to cut back your zinnia stems is when the sun’s warmth is mild and not scorching and harsh to the plant, hence the early morning sun would be perfect.
The latter is due to the intensity matters when it comes to pruning the plant, and the highest intensity of the sun is between 10 am to 4 pm. Thus, cut back the foliage a few hours before mid-day, making sure you altogether avoid the intense afternoon sun.
Advantages of Pruning
Pruning is a must to fight several conditions and to provide a host of benefits to the plant.
– Fight Dieback
Ensure you place your cuts just above a node to prevent dieback and diseases. As you start cutting above, a node also gives you the advantage of manipulating new growth in a preferred direction. While cutting above the node, do not cut too close; instead, leave one centimeter of the stem.
By doing so, the dormant buds in the node stand a chance to grow into new stems. Getting the most out of your zinnias is to pinch the stems gently when they are still young. Basically, this will send a signal to the plant that it needs to produce more at the point where the cut was made.
– Producing Blooms and Stems
Pruning is needed to encourage the plant to produce more flowers every other day, right through the warm summer months.
The ideal time thus is the months of spring and summer, which is also the growing season of the plant and thereby produces fresh stem sprouts at a faster rate, in the warmer seasons they will find an opportunity to grow even more and even healthier.
– Makes Space for Flowers
If you notice the zinnia plant dropping due to the weight of the flowers that are in full bloom, then here is what you need to do.
Cut flowers and keep a few intact by providing some support. Note that as you prune and remove a few of the big flowers and little sections around it, you can easily make space for more growth, hinder clutter in the foliage.
– Tackles Dead Heads
Deadheading Zinnia is the term used for the process of removing spent flowers from the stems before the seeds have a chance to set in.
Removing such flowers encourages more blooms for a longer time and prevents self-sowing by the plant. The latter is an exercise which is essential to do so that the plant has more energy to produce the buds instead of wasting it on the production of seeds.
Look through the plant for deadheads and remove the faded flowers, ragged, wilted with petals peeling off. Cut the stem that holds the flowers just above a set of leaves.
– Keep the Plant Disease Free
It is recommended to regularly undertake minor pruning to keep the zinnia going. Keep your plant disease and pest free by looking out for infected, dead and decayed leaves.
Open up some space by trimming extra and cluttered foliage so that the plant receives ample sunlight and the flowers have plenty of room to bloom and thrive. This way the sun would reach through all the leaves and even flowers and help them to regenerate all the way.
In addition, as you trim the plant in the morning so that the warmth of the day will dry up the moisture around the plant, thereby reducing the risk of fungal disease. Ad you prune them out, they will regrow in a healthier manner and thrive as you provide the right requirements.
FAQ
– Can I Harvest and Save Zinnia Seeds After Pruning?
Yes, you can collect, harvest and save zinnia seeds after pruning so that you can propagate the plant later. Firstly, allow the zinnia flower head to completely dry out on the plant and then prune it to collect the seeds.
You may spread them on a clean paper towel to dry them out to prevent them from molding and once they have dried you can store them in paper bags in a cool and dry place away from direct sunlight.
In addition, the seeds are now ready to be used and can be stored for up to three to five years until you wish to plant zinnias.
– Can Zinnia Plants Bloom Again After Pruning?
Yes, zinnias bloom again and again after pruning. Zinnia flowers are amazing as the more often you cut the more the blooms. If done right, pruning can increase the life span of the plant, thereby giving you more and more flowers. So go ahead and cut deeply, remove the clutter and see the plant thrive happily.
– How to Prune Leggy Zinnias?
The best way to prune leggy zinnias is to pinch them back gently.
When zinnias grow tall and lanky, it is best to prune them so that there is scope for a bushier growth of the plant.
Conclusion
You have learned how to prune a zinnia plant in an easy and hassle-free manner.
Here is a quick round-up of all the information that has been provided in the step-by-step guide.
- Zinnia plants need to be pruned regularly so that there is a boost to growth as well as to produce abundant blooms and flowers. The process is pretty simple and with just a few essential gardening tools, you can easily prune the foliage.
- The right season to prune the zinnia plant is in the early days of spring through summer. These are the months when the plant is in its growing phase, so pruning encourages the development of better foliage and produces healthy and vibrant blooms through the summer.
- Prune in the morning when the sun isn’t harsh. At low intensity, the sun’s light will not scorch the plant, thereby helping the plant recover from the stress caused by pruning in a better way.
- Begin by snipping the plant when it has reached around ten to twelve inches in height. Retain nodes. Taking care to place the cut just above it with a few sets of leaves intact on the stem.
- Remove deadheads and spent flowers, along with dead and diseased leaves. Thin out the inner sections to reduce clutter and space out the flowers so that ample sunlight reaches all areas of the plant.
You have now understood how easy it is to prune the zinnia plant. If you have a flower garden with zinnias, get your tools out to prune, so they can display their blooms in all their vibrancy.
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