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🌼 How to Care for Geranium
How often should I water my geraniums?
Geraniums like well‑drained soil and don’t enjoy being constantly wet. Water only when the top inch of soil feels dry, and let excess water drain away to avoid root rot. Overwatering is one of the most common causes of problems such as yellow leaves.
Why are my geranium leaves turning yellow?
Yellow leaves can be caused by:
Overwatering/poor drainage (most common)
Nutrient deficiencies
Too little or too much sunlight
Cold stress or disease
Checking watering habits, soil conditions, and light exposure usually helps fix the issue.
How much sunlight do geraniums need?
Geraniums are sun lovers — they do best with at least 5–6 hours of direct sunlight per day. In very hot climates, afternoon partial shade helps prevent stress and fading blooms
When should I plant geraniums outdoors?
Wait until night temperatures are consistently above ~13°C (55°F) before planting outdoors. Planting too early can stunt growth or cause frost damage
How do I deadhead geraniums to promote blooming?
Remove spent flowers regularly — either by pinching them off or cutting just above a leaf node — to direct the plant’s energy into new blooms and extend the flowering season.
What fertilizer should I use for geraniums?
Use a balanced, water‑soluble fertilizer during the growing season (usually every 2–4 weeks). Avoid high‑nitrogen mixes that encourage foliage at the expense of flowers.
Can geraniums be grown indoors?
Yes — with bright light (preferably south‑ or west‑facing windows) and good air circulation, geraniums can thrive indoors. Adjust watering since indoor conditions change moisture needs.
How do I overwinter geraniums?
For frost‑tender geraniums (pelargoniums), bring potted plants indoors before the first frost. Keep them in a cool, bright spot with minimal water over winter. Hardy perennial geraniums can often stay planted outdoors with mulch protection.
Can I propagate geraniums from cuttings?
Yes — geraniums root easily from stem cuttings. Take 4–6 inch cuttings, remove lower leaves, and place in moist soil in a bright, warm spot. Roots typically form within a few weeks
What pests and diseases affect geraniums?
Common pests include aphids, spider mites, and whiteflies. Keep leaves and stems healthy and inspect regularly. Overwatering or poor air circulation can lead to fungal diseases like root rot or powdery mildew.
For more growing advice and detailed information on different Geranium varieties, visit the Royal Horticultural Society’s guide or Gardeners’ World magazine.