Now , let ’s be reliable about the title of this berth : it does sound a little cockamamy , but talking about “ bad soil ” is very important . In reality , there ’s no inherently bad soil ; it ’s more about finding the right peer for your plant . Fortunately , most grunge types can be enhanced with a few simple steps .
Originating from the Mediterranean , lavender flourishes in soils mirroring its native environment — pitiable or moderately fertile and , notably , free - draining . Lavender grows just in sandy , chalky , or alkaline territory . But what if you want to develop lavender in clayey , acid , or clay loam dirt ?
Lavender is one of the most popular and placeable herbaceous plant plants , with its fragrant foliage and intense royal bloom . However , amaze it to prosper can be tricky if your soil conditions are n’t quite good . Lavender favor indifferent to alkaline soil with a pH between 6.5 - 7.5 . So what happens if you attempt to grow lavender in acidulous soil ?

While lavender can put up gently acidic soils down to pH 6.5 , anything more acidulent than that will induce the plant stress . ontogenesis will be stunt , flowering reduced , and the plant life likely wo n’t survive for long .
The reason lavender dislike acidic land is that it naturally grows in the alkaline , calcareous grime of the Mediterranean area . Therefore , to replicate its preferred aboriginal atmospheric condition , lavender does best in light , well - draining , slightly flaxen soil with a neutral to mildly alkaline pH.
Fortunately , there are several result for successfully growing lavender in acidic grime :
Test Soil pH
First , test your grime ’s pH to determine precisely how acidic it is . rest home grime test kits are inexpensive , unproblematic to use , and take the guessing out of get laid whether the territory postulate amend . If the recital show a pH below 6.5 , adjustments will need to be made for farm lavender .
Grow in Pots
Container horticulture gives you full mastery over the grease environment . you may create an idealistic potting mix for lavender by mix canonic potting soil with lime to set up the pH and sand or perlite to improve drain . Aim for a admixture with a neutral pH around 7 .
Use containers at least 12 - 16 in full to give lavender ’s ancestor ample room . plaza in full sun .
Use Raised Beds
Like container , upraise bottom allow you to custom-make the stain portmanteau . Fill your raised bottom with a mix of potting grease compost , horticultural guts and lime . Test the pH – it should be at least 6.5 for lavender . situating lavender in a provoke seam ameliorate drainage .
Amend Garden Soil
For in - ground planting , good mix unslaked lime or forest ash into the top 6 - 12 inches of grime to raise the pH at least 3 - 6 months before implant . Re - prove the filth pH periodically and add together more calcium hydroxide if needed to progress to the proper range .
When ameliorate declamatory domain , follow package didactics carefully to avoid making the soil too alkaline . It take time for lime to to the full integrate in the soil .
Choose Alkaline Mulch
Mulch helps order soil moisture and temperature . Alkaline mulch choices like crushed eggshells , wood chips , gravel , and pebble can also step by step grow acidic soil pH for plants like lavender .
Provide Good Drainage
Excess moisture is prejudicious to lavender roots , causing guff . ascertain right drainage by plant on mounds or sloped expanse . Mixing Baroness Dudevant , pebbles , or perlite into grease also ameliorate drainage .
Give Sun and Space
Lavender thrives in full Sunday and needs good air circulation . Allow at least 12 - 24 column inch between plants . Crowding causes humidness and disease problems .
Water Sparingly
Lavender is highly drouth tolerant once instal . Water only when the top few inch of soil become teetotal . Proper drainage and infrequent watering prevent root decomposition issue .
Use Alkaline Fertilizer
Choose a balanced organic fertiliser explicate for Zen - bed plants . Alternatives like wood ash or lime can furnish food while keep ideal soil pH for lavender .
Protect from Winter Wetness
Too much winter wet is lavender ’s bane ameliorate drain and airflow by rationalise plants in downfall . Mulch with evergreen plant boughs to keep soil siccative Avoid fertilize late in the year .
Choose Adapted Varieties
English lavender are more hardy and adaptable to marginal conditions than French or Spanish type . form like ‘ Munstead ’ and ‘ Hidcote ’ tolerate more acidity than cutter types like Lavandula stoechas .
Monitor Soil pH
prove soil pH yearly to assure it stay in the optimal neutral to gently alkaline range as you grow and care for your lavender . align as take to maintain the proper residual .
While lavender prefers alkaline soil , with careful aid to drainage , grime amendment , and growing conditions , it can thrive in less than idealistic acidic ground . container and raised beds bid the most dominance over make the perfect soil surround . But with initial preparation and ongoing forethought , in - footing lavender can bring home the bacon in remedy garden filth .
Armed with the proper entropy , you could have gorgeous , fragrant lavender even if your aboriginal soil is on the acidic side . Pay attention to proper soil pH , drain , sun , spacing , and watering and you could overcome the challenges of growing lavender in acid soil . With a little effort , you ’ll reap bountiful flush and have happy , healthy lavender plants for year to come .
How to Grow Lavender in Clay Soil
One of the worst thing that can happen to lavender is that its radical will rot if it sits in wet grime , and clay soils usually drain tardily . However , you may make your corpse grease better for growing lavender by mixing in crushed rock , grit , and a little amount of organic affair . This will make the stain nice and draining .
Also , planting your lavender in a mound can help keep it above the level of the rest of your garden . This mode , if the area gets too stiff , your lavender might at least be capable to head for the hills the defective of it .
5 Tips to Grow Perfect Lavender
FAQ
Can lavender abide acidulent land ?
What is the honest fertiliser for lavender ?
How to make soil more alkaline for lavender ?
What kind of soil is best for lavender ?
Can lavender grow in acidic dirt ?
If your soil is between pH 6.5 and 7 ( somewhat acid to neutral ) lavender can still grow very well , without problem . Lavender only really starts to show signs of stress ( poor growth , fewer flowers ) when the grease sour is below pH 6.5 . However , if you do have acidic dirt and want to develop lavenders then your three most hard-nosed options are :
What is a good soil pH for lavender ?
slimly alkaline : Lavender prefers a slightly alkalic stain with a pH level between 6.5 and 7.5 . acidulent soils with a pH below 6 can inhibit the plant life ’s ability to absorb nutrient from the soil , leading to scrawny maturation and poor wellness .
What soil do lavender flora need ?
However , there are a few things you need to know about the soil prerequisite of lavender plant to ascertain their achiever . First , lavender plants prefer slightly alkaline grease with a six- and eight pH. If your soil is too acidulous , you should add lime to it to raise the pH.
Does Lavender Love alkaline grease ?
Lavender ’s making love for alkaline soil is no secret , but getting that pH just in good order can be a bit of a balancing turn . If your ground is more acidic than a cup of black coffee , it ’s time to sweeten the mountain . try out your soil ’s pH is the first stone’s throw — think of it as a grunge selfie , giving you a glimpse of its current climate .