Having labored as a gardener in each the UK and central Italy, I’ve planted, grown and cared for my fair proportion of lavender. Whereas they’re among the best herbs to develop, all too usually, I see lavender rising in soggy, nutrient-rich soils that do extra hurt than good.
In Tuscany, I tended to borders the place lavender thrived in rocky, poor soils. And, put merely, that is the very best soil for lavender. As a herb native to the sun-soaked hills of Spain, France and Italy, this Mediterranean herb thrives in free-draining situations. In heavier, claggy soils, crops can battle, with yellowing foliage and roots rotting underground.
So, in case your lavender appears a little bit unhealthy or isn’t blooming prefer it ought to, it might be all the way down to the soil, a typical lavender growing mistake. Right here, I clarify why including gravel and sand can rework your crops and end in wholesome, floriferous and aromatic herbs.
(Picture credit score: Future/Allan Pollock Morris)
Greatest soil for lavender
No matter lavender varieties you may be rising, whether or not you favor the longer stems of English lavender, Lavandula angustifolia, otherwise you choose the darker flowers of Lavandula stoechas, the Spanish lavender, all species want free-draining soils.
Lavender crops don’t like sitting in waterlogged borders, so it is very important amend your soil, significantly for those who dwell in a moist US hardiness zone.
Why add gravel and sand to soil?
(Picture credit score: Getty/Cris Cantón)
By way of how to grow lavender, do not forget that this aromatic herb prefers rocky, nutrient-poor soils which were starved and eroded by the cruel solar. Consider me, it’s a robust species. So, avoiding nutrient-rich, water-retentive borders is vital.
The trick is so as to add high quality gravel, horticultural grit or sand to your soil. I’ve discovered this is among the best methods to provide your lavender what it actually desires, which is great drainage.
By mixing in grit or sharp sand, you mimic the type of stony, free-draining, alkaline soil lavender naturally grows in, the likes of which I skilled when working in Tuscany. These situations restrict leafy development and push the plant to provide extra flowers as an alternative.
Gravel and sand additionally enhance airflow to the roots and forestall water from pooling on the base of your prized herbs, which may trigger root rot.
The way to add gravel and sand to soil
(Picture credit score: Alamy/ Clare Gainey)
When landscaping with lavender, begin by enhancing the soil combine. After you may have excavated your planting gap, I like to recommend changing some (however not all) of the present soil with a number of scoops of horticultural sand or grit.
Use something like this horticultural perlite, available from Walmart, which may help to enhance drainage.
If in case you have already planted lavenders in earlier years and need to enhance the drainage, that is simply carried out.
Working slowly, take away a little bit of the encompassing soil, being cautious in order to not injury the roots of your crops. Don’t be concerned for those who snap one or two, nonetheless, the plant ought to be capable to face up to a small harm.
Then, mix some pea gravel, sand or grit with the excavated soil in a wheelbarrow, after which exchange the combination, firming it down in place.
It’s also possible to end with a prime mulching of grit or pea gravel, which can finally work its manner into the soil. And, the very best half? Not solely does this assist with drainage, but it surely additionally suppresses weeds.
FAQs
What’s the greatest soil for lavender grown in pots?
By way of the very best soil for lavender in pots, it’s a good suggestion to make use of a free-draining combine. You may both purchase one thing like this organic cactus potting soil, available to order from Amazon, or you can also make your individual, combining multi-purpose compost with sharp sand and some handfuls of perlite or grit. In summer season, pots can dry out in a short time, so only one or two scoops of grit or sand will assist to offer good drainage, whereas additionally retaining some water to your crops to thrive.
With lavender, robust love is greatest. They like free-draining soil, which sand and gravel will assist with.
There may be additionally no have to fertilize lavender, and, as soon as established, lavender is drought tolerant, too, so maintain the hose and the watering can away out of your herbs. With these fixes, your crops ought to bloom higher than ever within the coming 12 months.