Spring is the Perfect Time to Fertilise Your Indoor Plants

As spring approaches, it’s the ideal moment to give your indoor plants the nourishment they need for lush growth and vibrant blooms. Many plants begin preparing for flowering in this season and require extra nutrients to thrive. Here are some practical tips to ensure your plants receive the care they need.

1. Fertilize Moist Soil Only

Always ensure the soil or substrate is moist before applying fertiliser. Fertilising dry soil can lead to uneven nutrient distribution, forming pockets of concentrated fertiliser that may damage roots. Over time, waterlogged roots can rot or mold, causing stunted growth. Plants like azaleas are particularly prone to such issues, so handle with care.

2. Less is More

Both under-fertilising and over-fertilising can hinder plant growth. To avoid the risk of over-fertilisation, opt for smaller amounts applied more frequently—such as every two to three weeks. This ensures consistent nutrient availability without overwhelming the plant.

3. Protect Water-Sensitive Leaves

Some plants, like African Violets and bulbs, dislike water on their leaves. Water and fertilize these species from the ground up. Fill a tray or coaster with a fertilizer solution, then let the plant receive the nutrients through its roots. This keeps water from building up on the leaves, which might harm them.

4. Consider Stick Fertilisers

Stick fertilisers are a convenient alternative to liquid fertilisers. Easy to use, they work well for most indoor, ornamental, and flowering plants. These sticks often contain natural nutrients and microorganisms. Based on the pot size, place the appropriate portion into the soil, where it can remain effective for up to three months.

5. Skip Fertilizer for New Plants

Newly purchased plants are usually pre-fertilised and don’t need additional feeding for the first few weeks. Allow them to acclimate to their new environment before starting a fertilising routine.

6. Know Which Plants Don’t Need Fertilizer

Some plants, like carnivorous varieties (e.g., Venus flytraps), don’t benefit from regular fertilisation. These species derive their nutrients from insects and may react negatively to fertiliser in the soil. Instead, focus on feeding them appropriately for their unique needs.

7. Use Special Fertilisers for Orchids

Orchids thrive best with fertilisers specifically designed for them. Conventional fertilisers can harm these delicate plants. To mimic their natural nutrient absorption, add a diluted orchid fertiliser to a container of water and carefully immerse the roots. Alternatively, specialised orchid fertiliser sticks are a great option for consistent feeding.

Final Thoughts

By following these tips, you can ensure your indoor plants remain healthy, vibrant, and ready to bloom throughout spring. Adjust your fertilisation techniques to suit the unique needs of each plant and enjoy the beauty of thriving greenery in your home.

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