Method for duplicating zinnias via stem cuttings and increasing your vibrant flower show with no cost
Grow More Zinnias: A Step-by-Step Guide
Zinnias, fabulous sun-loving plants that come in various vibrant colors, are easy to propagate and grow more of. Here's a simple guide to help you multiply your zinnia plants.
Choosing the Right Cutting
To take a cutting, choose a stem that hasn't started flowering yet or turned woody. A piece of stem about four to six inches long, making the cut just below a leaf joint, will do the trick.
The Best Time for Cuttings
The best time to take zinnia cuttings is during the active growth season, before blooms appear. August is the optimal month for propagation.
Preparing the Cutting
Remove the lower leaves from the cutting to prevent them from rotting. You can also use rooting hormone powder or gel to speed up root growth, but it's not necessary for zinnias.
Propagation Methods
There are several ways to propagate zinnias. One option is to plant the cutting directly into moist potting soil. Another is to put the cutting into a glass of water and keep it in a warm spot with plenty of indirect light. A plant propagator can help maintain humidity and make it easier for cuttings to root.
Caring for Cuttings
Avoid overwatering as it can cause root rot in zinnias. Keeping the compost lightly moist is important to avoid rot when propagating. It's also crucial to avoid placing cuttings somewhere too dark or too sunny, as this can cause problems with rooting and overall growth. A bright windowsill without direct sunlight is ideal. Covering cuttings with a clear plastic bag or propagator lid helps maintain humidity for easier rooting.
Signs of Success
Within a couple of weeks, you'll start to see signs of new growth from the cuttings. After one to two weeks, you should start to see signs of new growth and roots forming.
Hardening Off and Transplanting
Healthy, well-established zinnia plants are important for successful cuttings. Hardening off new zinnia plants by gradually introducing them to outdoor conditions is necessary before transplanting. Transplanting zinnias gradually outdoors, avoiding sudden exposure to cold or intense sun, is important. A sunny, sheltered spot with well-drained soil is ideal for transplanted zinnias to thrive.
Suttons' Zinnia Offerings
If you're looking for garden-ready zinnia plants, Suttons have a range available online.
Pruning Zinnias
Outside the main summer season, prune zinnias regularly (one to two times per week) by cutting the flower stems above a healthy pair of buds to promote a second bloom before autumn. For young plants, lightly pinch the main shoot to encourage growth.
Happy propagating!
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