Lavender Plants
Q.

We cut our lavender back fairly hard (not into the wood) hoping it would thicken up.

Zone Hastings, East Sussex | Anonymous added on June 24, 2019 | Answered

We shaped our very spindly lavender in early Spring, in the hopes that it would grow back thicker and with bigger flowers. It was cut back very neatly into a box shape and were very pleased with ourselves! Well, it has since grown back like a weed and its around 3 ft high (and wide), with tiny flowers, just turning lavender. What did we do wrong? Hope you can see what I mean?

A.
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Downtoearthdigs
Answered on June 24, 2019

Too much nitrogen will have this effect, as will not enough phosphorus. Avoid a high nitrogen fertilizer during flowering, or raise the pH of the soil a little with dolomitic lime.

This article will help: https://www.gardeningknowhow.com/edible/herbs/lavender/lavender-in-the-garden-information-and-growing-lavender-tips.htm

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