Bermuda or Doob grass turning yellow after mowing? The problem is almost always your cutting height. Here is exactly what to set it to season by season so your Indian lawn stays thick, green, and weed free.
If your lawn looks patchy, yellowed, or thin after mowing the cutting height is almost certainly the problem. Most people in India set their lawnmower at whatever height it came in, never adjust it, and then wonder why their Bermuda or Doob grass looks burnt or sparse.
This guide gives you the correct height settings for both grass types, explains why height matters, and tells you what to change season by season.
Looking for a lawnmower for your Bermuda or Doob grass lawn? Browse the full Euro Farm lawnmower range here:
Why Lawnmower Height Matters More Than You Think
Most people treat mowing as simply “making the grass short.” It is not. The height at which you cut your grass directly controls:
- Root depth Taller grass grows deeper roots. Deeper roots survive summer heat and dry spells better
- Weed resistance Grass cut too short leaves gaps where weeds take over quickly
- Disease risk Cutting too low removes the leaf blade that feeds the plant through photosynthesis, weakening the entire grass plant
- Water retention Taller grass shades the soil and reduces evaporation, which matters enormously in Indian summers
Getting the height wrong even by a centimetre makes a visible difference within two to three weeks.
Understanding the One Third Rule
Before getting into specific heights, you need to understand one rule that applies to all grass types without exception.
Never cut more than one third of the grass blade in a single mowing.
If your grass is currently 9 cm tall, cut it to 6 cm maximum not lower. Cutting more than one third at once puts the grass plant under severe stress. It forces the plant to redirect all energy from root growth to leaf recovery, which weakens the lawn over time and makes it more vulnerable to heat, drought, and disease.
If your lawn has been neglected and the grass is very tall, do not try to bring it to the correct height in one mowing. Reduce the height gradually over two to three mowing sessions spaced a few days apart.
Bermuda Grass: Correct Lawnmower Height Settings
Bermuda grass also known as Cynodon dactylon is the most common lawn grass in urban Indian gardens, parks, sports grounds, and housing societies. It is a warms eason grass that thrives in full sun and tolerates heat well, but it requires precise mowing heights to stay dense and healthy.
Ideal Cutting Height for Bermuda Grass
The correct mowing height for Bermuda grass in India is 2.5 cm to 4 cm (approximately 1 inch to 1.5 inches).
Bermuda grass is a low growing, spreading grass. When cut within this range, it stays dense and forms a tight mat that resists weeds. When cut higher than 4 cm consistently, it becomes loose and stemmy. When cut lower than 2.5 cm repeatedly, it scalps meaning the brown stems are exposed and the lawn looks burnt and patchy.
Bermuda Grass Height by Season
| Season | Recommended Height | Reason |
|---|---|---|
| Summer (March–June) | 3.5 cm – 4 cm | Taller blades protect roots from heat |
| Monsoon (July–September) | 3 cm – 3.5 cm | Active growth phase, more frequent mowing needed |
| Post Monsoon (October–November) | 3 cm – 3.5 cm | Steady maintenance phase |
| Winter (December–February) | 4 cm – 5 cm | Grass grows slowly; keep taller to protect against cold stress |
How Often to Mow Bermuda Grass
During the monsoon and peak summer growth phase, Bermuda grass may need mowing once every 5 to 7 days. In winter, when growth slows significantly, once every 2 to 3 weeks is enough.
The key indicator is not the calendar it is the grass height. When the grass exceeds onet hird above your target height, it is time to mow
Doob Grass: Correct Lawnmower Height Settings
Doob grass the common Indian name for Bermuda grass varieties used in traditional lawns and religious contexts behaves similarly to standard Bermuda grass in terms of mowing requirements. In most of India, “Doob” and “Bermuda” refer to the same species (Cynodon dactylon) or very closely related cultivars. The mowing guidelines are therefore nearly identical.
Ideal Cutting Height for Doob Grass
The correct mowing height for Doob grass is 3 cm to 4 cm.
Traditional Doob grass varieties used in Indian gardens are often slightly more tolerant of taller mowing compared to hybrid Bermuda varieties used in premium lawns. However, cutting below 2.5 cm consistently will damage it in the same way.
Doob Grass Height by Season
| Season | Recommended Height | Reason |
|---|---|---|
| Summer (March–June) | 3.5 cm – 4 cm | Prevents root scorching in peak heat |
| Monsoon (July–September) | 3 cm – 3.5 cm | Rapid growth requires more frequent mowing |
| Post Monsoon (October–November) | 3 cm – 4 cm | Maintain thickness before winter slowdown |
| Winter (December–February) | 4 cm – 5 cm | Slower growth; avoid scalping in cold temperatures |
Side by Side Comparison: Bermuda vs Doob Grass Mowing
| Parameter | Bermuda Grass | Doob Grass |
|---|---|---|
| Ideal Height Range | 2.5 cm – 4 cm | 3 cm – 4 cm |
| Summer Height | 3.5 cm – 4 cm | 3.5 cm – 4 cm |
| Winter Height | 4 cm – 5 cm | 4 cm – 5 cm |
| Mowing Frequency (Monsoon) | Every 5–7 days | Every 5–10 days |
| Mowing Frequency (Winter) | Every 2–3 weeks | Every 2–4 weeks |
| Tolerates Low Cut? | Yes, down to 2.5 cm | Moderate, minimum 3 cm |
| Scalping Risk if Cut Too Low | High | Moderate |
Not sure which mower suits your garden size and grass type? your garden dimensions and grass type and we will recommend the right model for free.
How to Set the Height on Your Lawnmower
Most lawnmowers sold in India whether petrol or electric have an adjustable cutting height lever or dial. Here is how to use it correctly:
Step 1: Park the mower on a flat, hard surface such as a concrete path or floor. Do not adjust height on soft ground the reading will be inaccurate.
Step 2: Measure from the flat surface to the bottom edge of the blade housing using a ruler. This is your cutting height.
Step 3: Adjust the height lever to your target measurement. Most mowers have preset height positions choose the position closest to your target.
Step 4: Mow a small test strip first and check the actual grass height after cutting. If the cut is too low or too high, stop and readjust before continuing.
Important: Do not rely only on the position markings on the mower. The actual cutting height can vary depending on the mower’s wheel size and deck design. Always measure and verify against the actual grass after a test cut.
Mowing Mistakes That Damage Indian Lawns
Mistake 1: Scalping the Lawn
Scalping means cutting so low that the brown stem layer is exposed. This happens most often at the start of summer or after a long gap between mowing sessions when the grass has grown tall. It leaves the lawn looking burnt and takes several weeks to recover. Solution: Never cut more than one third of the blade length in one session.
Mistake 2: Mowing Wet Grass
After rain or watering, grass blades bend down. The mower cuts them at a lower point than intended, causing uneven cutting and potential scalping in low spots. Additionally, wet clippings clump together under the deck, clogging the machine and leaving clumps on the lawn that can smother grass. Always wait until the lawn has dried before mowing.
Mistake 3: Using Blunt Blades
A blunt blade does not cut it tears. Torn grass blades turn brown at the tips within 24 to 48 hours, giving the entire lawn a yellowed appearance. This is not a watering problem or a disease it is a blade problem. Lawnmower blades should be sharpened or replaced according to the manufacturer’s recommendation and whenever you notice brown tipped grass after mowing.
💡 Euro Farm stocks lawnmower accessories and replacement parts:
Mistake 4: Always Mowing in the Same Direction
Mowing in the same direction every time causes grass to lean in one direction and compact the soil in wheel tracks. Alternate the mowing direction each session horizontal one time, diagonal the next for a more even cut and healthier turf.
Mistake 5: Mowing at the Hottest Part of the Day
Mowing between 11 AM and 3 PM during Indian summers stresses both the operator and the grass. The freshly cut grass blades are exposed to maximum heat immediately after cutting. Early morning or evening mowing is better but avoid mowing in the morning if the grass is still wet with dew.
Does Mowing Height Affect Fertiliser and Watering Needs?
Yes, directly.
Taller grass (closer to the upper end of the recommended range) retains more moisture in the soil because the leaf canopy shades the ground. This reduces watering frequency and helps during dry spells. It also means the grass can use fertiliser more efficiently because the root system is deeper.
Shorter grass (closer to the lower end of the range) needs more frequent watering and is more vulnerable to fertiliser burn because the roots are shallower and the soil surface is exposed to direct sunlight.
For most Indian lawns especially those managed without an irrigation system keeping the mowing height toward the upper end of the recommended range is the more practical and resilient choice.
Lawnmowers Available at Euro Farm for Bermuda and Doob Grass
To maintain the correct height setting consistently, the lawnmower needs to have a reliable, easy to adjust height mechanism and enough power to cut cleanly at the target height not tear or crush the grass. Euro Farm stocks four Oleo-Mac lawnmower models suited to different lawn sizes.
Oleo Mac K 35P Electric Lawn Mower Engine: 1100W electric Price: Rs. 23,808 Best for: Small gardens up to 200 sq metres, balcony lawns, terrace gardens Note: Lightweight and easy to manoeuvre. Suitable for regular Doob or Bermuda maintenance on small areas.
Oleo Mac G 48 PE Comfort Plus Electric Lawn Mower Engine: 1600W electric Price: Rs. 40,187 Best for: Medium gardens up to 400 sq metres Note: More powerful electric option with larger 48 cm cutting width. Good for residential lawns with moderate grass growth.
Oleo Mac G 48 PK Petrol Lawn Mower Engine: 139cc petrol, push type Cutting width: 46 cm Price: Rs. 48,174 Best for: Medium to large gardens, areas without easy power access Note: Metal deck, canvas grass bag included. Petrol power handles thick Bermuda and Doob growth in the monsoon season without bogging down.
Ole Mac G 53 TK Comfort Plus Petrol Self Propelled Lawn Mower Engine: 166cc petrol, self propelled Cutting width: 51 cm Price: Rs. 66,588 Best for: Large lawns, sloped gardens, regular professional use Note: Self propelled drive makes it easier on slopes and large areas. Widest cutting width in the Euro Farm range.
💡 Related Equipment: If your lawn also has overgrown edges, thick border weeds, or unmowed strips along walls and fences, a brush cutter handles what a lawnmower cannot. View Euro Farm’s brush cutter range:
💡 Also consider: For very large lawns or grounds that need faster coverage, Euro Farm’s garden tractors cover more area per hour than any walk behind mower:
For informartion on latest Farming and Gardening Equipment, subscribe to our Youtube channel
Follow us for facebook
Frequently Asked Questions
What is the correct cutting height for Bermuda grass in India?
The recommended mowing height for Bermuda grass in India is 2.5 cm to 4 cm. During summer, keep it closer to 3.5–4 cm to protect roots from heat. During the active monsoon growth season, 3–3.5 cm is appropriate. In winter, let it grow slightly taller to 4, 5 cm, as growth slows and the grass needs extra leaf area for energy.
What is the correct cutting height for Doob grass?
Doob grass, which is the same species as Bermuda grass (Cynodon dactylon) in most Indian varieties, should be mowed at 3 cm to 4 cm. Traditional Doob varieties are slightly less sensitive to taller mowing than hybrid Bermuda cultivars. Do not cut below 3 cm repeatedly it weakens the root system.
How often should I mow Bermuda or Doob grass?
During the monsoon growth season, mow every 5 to 10 days depending on how fast your grass is growing. In winter, once every 2 to 4 weeks is sufficient. The right frequency is determined not by the calendar but by the one third rule mow when the grass has grown one third above your target height.
My lawn looks yellow after mowing what is wrong?
Yellow tips after mowing are almost always caused by a blunt blade that tears rather than cuts the grass. A clean cut produces a clean white or green tip that heals quickly. A torn tip dries and yellows within 24 to 48 hours. Check and sharpen or replace the mower blade. Also confirm you are not cutting more than one third of the blade length in one session.
Can I use the same height setting year round?
It is not recommended. Bermuda and Doob grass benefit from seasonal height adjustments. Keeping the grass slightly taller in summer helps it survive heat stress. Letting it grow a little taller in winter protects it when growth slows. Maintaining the same height setting year round works, but seasonal adjustments produce a noticeably healthier lawn.
What lawnmower is best for a small home garden with Doob grass?
For a home garden under 200 sq metres, the Oleo Mac K 35P electric lawnmower at Rs. 23,808 is a practical, low maintenance choice. For gardens between 200 and 400 sq metres, the Oleo Mac G 48 PE Comfort Plus at Rs. 40,187 offers more power and a wider cutting width. For larger gardens or petrol preference, the G 48 PK at Rs. 48,174 is well suited to regular Bermuda and Doob grass maintenance.
Is it okay to mow Doob grass during summer afternoons?
It is not ideal. Mowing during peak afternoon heat between 11 AM and 3 PM exposes freshly cut grass blades to maximum sunlight and heat immediately after cutting, which increases stress and slows recovery. Early morning mowing (after the dew has dried) or late evening mowing is better for the grass and more comfortable for the operator during Indian summers.
Key Takeaways
The correct lawnmower height setting for Bermuda and Doob grass in India is not a single fixed number it is a range that changes with the season. As a practical starting point:
Keep Bermuda and Doob grass at 3 to 4 cm for most of the year. Raise it to 4 to 5 cm in winter. Never cut below 2.5 cm. Never remove more than one third of the blade in a single mowing session. Always mow with a sharp blade, on dry grass, and at the right time of day.
These five rules, consistently followed, will produce a dense, green, weed resistant Bermuda or Doob lawn that holds up through the Indian summer, monsoon, and winter without patching or yellowing.
Ready to choose the right lawnmower for your lawn?
Related reading on the Euro Farm blog:
- What Engine CC Do I Need in a Brush Cutter?
- How to Store and Maintain a Petrol Chainsaw During the Indian Monsoon
maintain-a-petrol-chainsaw/
Note: Mowing height recommendations in this article are based on established turfgrass management guidelines for Cynodon dactylon in Indian climatic conditions. Product specifications and prices for Euro Farm lawnmowers are sourced directly from eurofarm.in and are valid as of the date of publication. Prices and availability are subject to change contact Euro Farm for current pricing.
Euro Farm Implements India Pvt. Ltd. | 40 years of lawn mower expertise |