Local conditions in Windsor
Geology and soil
Thames river gravels and alluvium. Reading Formation and London Clay at depth.
Soil type: Free-draining gravelly loam. Rich alluvial soil near the river.
Soil pH: Slightly alkaline to neutral, pH 6.8 to 7.5. Alkaline where chalky gravel caps the clay.
Rainfall
Annual rainfall: Approximately 640mm per year. One of the drier parts of Berkshire.
Monthly pattern: Wettest months November to January at 60 to 65mm. Driest months July and August at 40mm.
Temperature
Annual average 11C. Summer highs 23C. Winter lows 2C. Frost in riverside gardens.
Garden types in the area
Period townhouses in the town centre with courtyard gardens, larger villas on the heights, modern developments at Clewer and Dedworth.
Local conditions to consider
Free-draining gravelly soil suits many plants. Riverside gardens can be waterlogged in winter. Mature trees shade many properties.
Services Most Relevant to Windsor
Based on the local conditions, these are the services we are most often asked for in Windsor:
Plants That Thrive in Windsor
Given the local soil and conditions, these are plants we use regularly in Windsor gardens:
Nearby Areas We Also Cover
- Eton
- Slough
- Datchet
- Old Windsor
- Englefield Green
Get a Quote in Windsor
If you are in Windsor, a nearby village or a surrounding hamlet and need help with your garden, contact us on WhatsApp. We regularly cover the surrounding area and will aim to respond within 12 to 36 hours, Monday to Sunday. We arrange all quotes during a free site visit.
Useful Local Resources
Plants suited to typical Windsor conditions
Based on typical local conditions. Individual gardens can vary, particularly where soil has been imported or heavily amended.
Also suitable with preparation
- Bugle - Requires soil preparation or local adaptation
- Brunnera (Siberian Bugloss) - Requires soil preparation or local adaptation
- Dicentra (Bleeding Heart) - Requires soil preparation or local adaptation
- Pulmonaria (Lungwort) - Requires soil preparation or local adaptation
- Grape Hyacinth - Requires soil preparation or local adaptation
- Fritillaries (Snake's Head and Crown Imperial) - Requires soil preparation or local adaptation
12-month garden calendar for Windsor
Based on typical local conditions. Individual gardens can vary, particularly where soil has been imported or heavily amended.
Seasonal timing is approximate. Adjust tasks for the actual weather, soil condition and development of your plants.
January: Protect structure and monitor winter ground
- Protect tender plants with fleece or move to greenhouse
Watch for: frost damage to tender growth, prolonged standing water.
February: Late winter pruning and soil preparation
- Avoid walking on frosted lawns to prevent damage
- Cut back spring-flowering shrubs after bloom
Watch for: frost damage to tender growth, prolonged standing water, over-pruning reducing flowering potential.
March: Spring begins - soil warming, prepare beds
- Check pots are raised off the ground to prevent waterlogging
- Transplant seedlings when soil has warmed
- Remove dead, diseased and crossing branches
- Aerate compacted areas and top-dress with sand
- Inspect the undersides of leaves for pests
Watch for: frost damage to tender growth, prolonged standing water, late frost damaging new growth, dry soil preventing germination, over-pruning reducing flowering potential, moss invasion in compacted or shaded areas, aphid colonies on new growth, slug damage on tender shoots.
April: Planting and sowing in earnest
- Sow hardy annuals directly into prepared beds
- Mow when grass is dry and growing
- Apply a 5cm layer of mulch around hungry plants
- Check for aphids on new growth and squash by hand
Watch for: late frost damaging new growth, dry soil preventing germination, moss invasion in compacted or shaded areas, over-feeding causing soft, disease-prone growth, aphid colonies on new growth, slug damage on tender shoots.
May: Peak planting season
- Plant bare-root trees and shrubs while dormant
- Scarify to remove thatch and moss
- Feed with a balanced fertiliser as growth resumes
- Use a watering can for targeted watering of new plants
- Stake tall flowers before they flop
- Look for slug damage on tender shoots
Watch for: late frost damaging new growth, dry soil preventing germination, moss invasion in compacted or shaded areas, over-feeding causing soft, disease-prone growth, drought stress on newly planted stock, dead flowers harbouring fungal disease if not removed, aphid colonies on new growth, slug damage on tender shoots.
June: Summer maintenance and watering
- Remove dead, diseased and crossing branches
- Aerate compacted areas and top-dress with sand
- Install water butts to capture rainfall
- Cut flowers for the house in the morning when stems are full of water
- Inspect the undersides of leaves for pests
Watch for: over-pruning reducing flowering potential, moss invasion in compacted or shaded areas, drought stress on newly planted stock, dead flowers harbouring fungal disease if not removed, aphid colonies on new growth, slug damage on tender shoots.
July: Peak summer deadheading
- Mow when grass is dry and growing
- Water early morning or evening to reduce evaporation
- Deadhead flowering perennials to extend the display
- Check for aphids on new growth and squash by hand
Watch for: moss invasion in compacted or shaded areas, drought stress on newly planted stock, dead flowers harbouring fungal disease if not removed, aphid colonies on new growth, slug damage on tender shoots.
August: Late summer maintenance and harvest
- Cut back spring-flowering shrubs after bloom
- Scarify to remove thatch and moss
- Use a watering can for targeted watering of new plants
- Stake tall flowers before they flop
- Look for slug damage on tender shoots
Watch for: over-pruning reducing flowering potential, moss invasion in compacted or shaded areas, drought stress on newly planted stock, dead flowers harbouring fungal disease if not removed, aphid colonies on new growth, slug damage on tender shoots.
September: Autumn transition - planting and lawn care
- Transplant seedlings when soil has warmed
- Aerate compacted areas and top-dress with sand
- Top up compost bins with garden waste
- Cut flowers for the house in the morning when stems are full of water
- Inspect the undersides of leaves for pests
Watch for: late frost damaging new growth, dry soil preventing germination, moss invasion in compacted or shaded areas, over-feeding causing soft, disease-prone growth, dead flowers harbouring fungal disease if not removed, aphid colonies on new growth, slug damage on tender shoots.
October: Leaf fall and winter drainage preparation
- Sow hardy annuals directly into prepared beds
- Mow when grass is dry and growing
- Apply a 5cm layer of mulch around hungry plants
Watch for: late frost damaging new growth, dry soil preventing germination, moss invasion in compacted or shaded areas, over-feeding causing soft, disease-prone growth.
November: Dormancy - planting and protection
- Avoid walking on frosted lawns to prevent damage
- Plant bare-root trees and shrubs while dormant
- Cut back spring-flowering shrubs after bloom
Watch for: frost damage to tender growth, prolonged standing water, late frost damaging new growth, dry soil preventing germination, over-pruning reducing flowering potential.
December: Mid-winter - rest and plan
- Check pots are raised off the ground to prevent waterlogging
- Remove dead, diseased and crossing branches
Watch for: frost damage to tender growth, prolonged standing water, over-pruning reducing flowering potential.
View this calendar on the seasonal calendar page
Services most commonly required in Windsor
Based on local soil type, drainage, frost patterns and seasonal conditions, these are the services we are most often called out for in this area.
Soft Landscaping
Frequently required in this area, driven by local soil and seasonal conditions.
Find out more →Garden Clearance
Commonly requested, driven by local soil and seasonal conditions.
Find out more →Hedge Cutting
Commonly requested, driven by local soil and seasonal conditions.
Find out more →Soil and exposure patterns in Windsor
Soil type
Free-draining gravelly loam. pH 6.8-7.5 (slightly alkaline).
Drainage
Free-draining. Quick to dry in summer, benefits from mulch.
Frost & exposure
Variable, depends on local topography and elevation.
Rainfall & drought
640mm per year (typical for the UK)
Seasonal issues specific to Windsor
These are the seasonal issues we see most often in Windsor gardens, drawn from our local work and the town's soil and climate profile.
- High waterlogging risk in Windsor, check for standing water after rain and consider French drains or raised beds in low spots
- Moderate frost risk, standard Chilterns timing applies, but watch forecasts for unexpected late frosts in May
- Standard Chilterns seasonal timing applies in Windsor, see the 12-month calendar above for month-by-month detail
Preconfigured estimator for Windsor
Based on local conditions, the Soft Landscaping estimator is the most relevant starting point for gardens in this area. Open it preconfigured with typical Windsor conditions.