The Drought-Proof Border Plant Everyone Should Be Planting Right Now

England is having its driest summer in years. Seven Environment Agency regions — East Anglia, Hampshire and the Isle of Wight, Devon and Cornwall, the West Midlands, Wessex, Thames, and Hertfordshire and North London - have now been formally declared in drought, with more areas sitting just below that threshold on prolonged dry weather alerts. July brought a fraction of its usual rainfall, in places as little as 1% of what's typical for the month, and hosepipe restrictions are now in place across large parts of the country.

For most of the border, that's bad news. For lavender, it's business as usual.

A plant that expects this

Lavender comes from the hillsides of southern Europe, where baked, stony ground and months without meaningful rain are simply how the growing season works. Its narrow, silver-grey foliage is shaped to hold onto moisture, and its root system pushes deep into the soil rather than spreading shallow and wide, which is exactly the strategy needed to survive weeks without rain. In a typical soggy British summer, lavender often struggles more than it thrives — soggy roots and fungal problems are far more common threats to the plant than dry spells. A summer like this one plays to its strengths.

Watering by can, not hose

One of the most common worries during a hosepipe ban is whether garden plants can survive at all. For lavender, the answer is straightforward: yes, easily. Hosepipe bans don't restrict watering cans filled from an indoor tap, and lavender's water demands are low enough that hand-watering is genuinely no hardship.

• Established plants: a thorough soak once every two to three weeks is enough, and only if the plant is actually showing signs of stress, such as dull or drooping leaves.
• Plants in their first year: these haven't developed the deep roots yet, so they need more frequent attention — one or two can-waterings a week until they're settled in.
• Always water deeply rather than little and often. A quick splash across the surface does more harm than good, encouraging roots to stay shallow instead of growing down toward reliable moisture.

Three habits to drop this summer

Don't mulch around the base. Most drought advice says to mulch to lock in moisture, but lavender is the exception — a damp mulch sitting against the stem is an invitation for rot. Grit or gravel is a better choice, since it drains fast and bounces heat back up toward the plant.

Don't feed it. Rich soil and fertiliser produce soft, water-hungry growth that wilts quickly in the heat. Lavender flowers most abundantly in lean, poor soil, so a season without feeding actually suits it well.

Don't prune while it's this hot. Cutting lavender back adds stress at exactly the wrong moment. Deadheading spent flower spikes is fine, but leave any serious shaping until early autumn, once the heat has broken.

Why now is the time to plant

Struggling beds and dead patches of lawn are the most persuasive argument a drought-tolerant plant will ever get. If you're replacing anything that's given up this summer, or filling gaps before hosepipe bans potentially return next year, lavender is about as low-risk a choice as exists — it needs a fraction of the water most border plants demand, asks for nothing in the way of feeding, and rewards a dry summer with better flowering rather than worse. Plant now and it has the rest of the season to root in before autumn, ready to shrug off whatever next summer brings.