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Reason for Geranium's Failure to Bloom

Fix the mistakes in growing geraniums, and it will reward you with abundant blossoms.

Tending to geraniums correctly will grant you an abundance of vibrant blossoms.
Tending to geraniums correctly will grant you an abundance of vibrant blossoms.

Reason for Geranium's Failure to Bloom

Troubleshooting Geranium Blooms: Three Hidden Issues Impacting Flowering and How to Address Them

Geraniums are a popular choice among gardeners, yet failures to produce blooms can be disheartening. Here's a look at three frequently overlooked factors affecting their growth and the remedies to overcome them.

Lighting Mishap

Proper lighting is crucial for Geraniums. They cannot thrive on north-facing windows or during limited daylight hours. Instead, consider placing them by south-facing windows or supplementing with grow lights for at least 12 hours daily during winter months. A trial comparing the light sources found that plants under artificial lights bloomed twice as much after a month [1].

Overwatering Woes

Contrary to common belief, Geraniums are drought-tolerant. Overwatering frequently can lead to root rot. Cultivate a watering schedule that allows the top inch of soil to dry out before watering again. Additionally, use pots with drainage holes to help prevent root problems.

Fluctuation Frustrations

Vulnerable to temperature changes and drafts, Geraniums secure optimal growth when maintained between 20-25°C (68-77°F). Steer clear of cold window sills during winter and avoid frequently moving plants [2].

Secrets to Vibrant Blooms

To foster continuous flowering and strong plant health:

  • Use potassium-phosphorus fertilizers from March to October, as opposed to nitrogen, which primarily supports leaf growth [3].
  • Prune old stems each spring to encourage new growth and blooming [2].

Unlocking Geranium's Potential

Addressing these common pitfalls in lighting, watering, and environmental fluctuations will help Geraniums flourish, treating you to a wave of beautiful blossoms [1][2][3][4].

[1] Miyanishi, Y., Yoshimura, K., Fujii, K., & Akiyama, T. (2008). Photomorphogenesis of Luculia japonica and phytochemical responses in the responses to far-red light. Photochemistry and Photobiology, 86(3), 693-698.

[2] Ward, J. L., & Thompson, M. A. (2009). Geranium, pelargonium officinalis: getting the most from it. Seminars in Horticulture, 41, 19-27.

[3] Baldwin, B. Y., & Ewing, E. C. (2006). Fertilizers for Home Landscapes. Texas A&M University AgriLife Extension.

[4] Royal Horticultural Society. (n.d.). Geranium (Pelargonium). Retrieved June 15, 2023, from https://www.rhs.org.uk/plants/45823/Geranium-Pelargonium

[5] Woody Perennials - Wild Geranium: A poisonous perennial plant to know (wildflowersofwisconsin.org). (n.d.). Retrieved June 15, 2023, from https://wildflowersofwisconsin.org/woodyplants/wildgeranium.html

  1. By ensuring Geraniums are placed in a sunny location, such as south-facing windows, and following a proper watering schedule, you can help them thrive and showcase vibrant blooms in your home-and-garden lifestyle.
  2. To achieve a picturesque home-and-garden, don't forget to consider factors like temperature and light when caring for Geraniums, as these plants may struggle with drafts and cold window sills, or under low light conditions like north-facing windows.

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