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How to Tell if Lupin Plant Needs Watering?

Updated: July 23, 2023

The lupin plant, also known as Lupinus, is a beautiful flowering perennial that adds a pop of color to any garden. Like any plant, it requires proper care and attention to thrive. One of the most important aspects of caring for a lupin plant is ensuring it receives adequate water. But how can you tell if your lupin plant needs watering? In this article, we will explore several signs that indicate your lupin plant is thirsty and in need of hydration.

1. Soil Dryness

One of the easiest ways to determine if your lupin plant needs watering is by checking the dryness of the soil. Stick your finger about an inch into the soil near the base of the plant. If the soil feels dry to the touch, then it is time to water your lupin. However, if the soil feels moist, it is best to hold off on watering as overwatering can lead to root rot and other issues.

2. Leaf Drooping

Another visible sign that your lupin plant requires watering is when its leaves start to droop or wilt. When a lupin plant lacks water, it conserves energy by reducing the surface area exposed to sunlight. This causes the leaves to fold and droop downwards. If you notice this happening, it is crucial to provide your lupin with water promptly.

3. Leaf Color

Healthy lupin plants have vibrant green leaves. However, when a lupin plant is dehydrated, its leaves may start to turn yellow or brown. This discoloration occurs as a result of inadequate water supply reaching the leaves. If you observe any changes in leaf color, it’s time to give your lupin plant a drink.

4. Stunted Growth

Lupin plants thrive in well-drained soil with consistent moisture levels. When a lupin plant is not receiving enough water, its growth may become stunted. If you notice that your lupin plant is not growing as vigorously as it should, it could be an indication that it needs more water.

5. Flower Dropping

Lupin plants produce beautiful flower spikes that add a stunning display of color to your garden. However, when a lupin plant lacks water, it may start dropping its flowers prematurely. This is the plant’s way of conserving energy and focusing its resources on survival rather than reproduction. To prevent flower dropping, it is crucial to water your lupin plant regularly.

6. Soil Moisture Meter

If you are unsure about the moisture level of your lupin plant’s soil, you can use a soil moisture meter. These handy devices provide accurate readings of the moisture content in the soil, allowing you to determine if watering is necessary. Simply insert the probe into the soil near the lupin plant’s roots and check the reading on the moisture meter.

7. Cracking Soil

In extreme cases of dehydration, the soil around a lupin plant may start to crack. This occurs when the soil becomes so dry that it shrinks and separates, forming visible cracks on the surface. If you notice cracking soil near your lupin plant, it is a clear sign that immediate watering is required.

8. Wilting Flowers

Another noticeable sign of a dehydrated lupin plant is wilting flowers. When a lupin plant lacks water, its flowers lose their turgidity and begin to wilt. If you observe wilting flowers on your lupin plant, it’s time to provide it with a good soak.

9. Time Since Last Watering

Lastly, it’s important to consider the time since you last watered your lupin plant. Depending on factors such as temperature, sunlight exposure, and soil type, lupin plants may require watering more frequently during hot and dry periods. If it has been several days since you last watered your lupin plant and you notice any of the signs mentioned above, it is likely that it needs watering.

In conclusion, maintaining proper hydration is crucial for the health and well-being of your lupin plant. By keeping an eye out for signs such as soil dryness, leaf drooping, leaf color changes, stunted growth, flower dropping, soil cracking, wilting flowers, and considering the time since the last watering, you can ensure that your lupin plant receives the water it needs to thrive. Remember, it is essential to strike a balance and avoid overwatering, as this can be just as harmful as underwatering. With proper care and attention, your lupin plant will reward you with its stunning blooms season after season.