Soil & potting mix
Best soil for Geum 'Mrs Bradshaw' (Geum 'Mrs Bradshaw')
Also called Mrs Bradshaw avens, scarlet avens.
More about geum 'mrs bradshaw'
About Geum 'Mrs Bradshaw'
Geum 'Mrs Bradshaw' · also called Mrs Bradshaw avens, scarlet avens · flowering
Geum 'Mrs Bradshaw' is a cottage-garden favourite forming clumps of hairy green leaves topped by wiry stems of semi-double, glowing scarlet-red flowers from late spring through summer. Long-flowering and cheerful, it thrives in sunny to lightly shaded borders. Regular deadileading extends the display, and it associates beautifully with blues and yellows in mixed plantings.
Preferred mix: Fertile, moisture-retentive, well-drained soil
Watch for — Drought stress: Dry soil scorches leaves and cuts short the bloom. Keep soil moist and mulch in summer.
Why geum 'mrs bradshaw' needs this mix
Geum 'Mrs Bradshaw' hates drying out, so it wants a mix that stays evenly moist — but it still needs perlite so "moist" never tips into "waterlogged".
- Geum 'Mrs Bradshaw' comes from damp, shaded forest floors and has fine roots that scorch and brown the moment the rootball dries — the mix has to hold a steady reserve.
- Coir and compost give that reserve, while perlite keeps enough air that the constantly-moist mix does not turn anaerobic.
- Even moisture also keeps its thin leaves from crisping at the edges, which is this plant’s most visible stress signal.
For the full picture on what makes up a good mix, see our guide to the main types of soil and potting media — it explains why each ingredient above behaves the way it does.
What goes wrong with the wrong mix
The wrong soil is one of the most common reasons geum 'mrs bradshaw' struggles, and the damage often shows up weeks later as a watering problem. For this species specifically:
- A free-draining, gritty mix dries too fast for geum 'mrs bradshaw' — you get crispy brown edges and frond or leaf drop within days of one missed watering.
- A pure, airless peat mix swings the other way: it holds water but suffocates the fine roots and rots the crown.
- Letting the mix dry to the point it shrinks from the pot is very hard to re-wet evenly and stresses the plant badly.
Using a sharp, fast-draining "houseplant" or cactus-leaning mix that lets geum 'mrs bradshaw' dry out. It needs a moisture-retentive but still airy blend.
pH — does it matter for geum 'mrs bradshaw'?
Geum 'Mrs Bradshaw' prefers a slightly acidic mix (around pH 5.5-6.5); a peat-free compost-and-coir blend sits there naturally, so routine pH testing is unnecessary.
If you want to check or adjust it, the soil pH guide walks through testing and the safe ways to nudge a mix more acidic or more alkaline.
DIY mix vs a bagged one
A good peat-free houseplant compost works for geum 'mrs bradshaw' straight from the bag if you mix in some perlite for air. The DIY ratio above gives a more reliable moisture-to-air balance.
Drainage and the pot
Use a pot with a drainage hole but a less-porous material (plastic or glazed) so it does not dry too fast. Bottom-watering keeps the mix evenly moist without sogging the crown.
Peat-free mixes slump and compact as they hold moisture, so refresh geum 'mrs bradshaw''s mix every 12-18 months to keep air in the rootball even if the pot size is unchanged. When the time comes, our repotting guide for geum 'mrs bradshaw' covers the timing and technique step by step.
Geum 'Mrs Bradshaw' soil — frequently asked questions
What is the best soil mix for geum 'mrs bradshaw'?
3 parts peat-free houseplant compost : 1 part coco coir : 1 part perlite. Geum 'Mrs Bradshaw' comes from damp, shaded forest floors and has fine roots that scorch and brown the moment the rootball dries — the mix has to hold a steady reserve.
Can I use normal potting soil for geum 'mrs bradshaw'?
A free-draining, gritty mix dries too fast for geum 'mrs bradshaw' — you get crispy brown edges and frond or leaf drop within days of one missed watering. A good peat-free houseplant compost works for geum 'mrs bradshaw' straight from the bag if you mix in some perlite for air. The DIY ratio above gives a more reliable moisture-to-air balance.
Does geum 'mrs bradshaw' need a special pH?
Geum 'Mrs Bradshaw' prefers a slightly acidic mix (around pH 5.5-6.5); a peat-free compost-and-coir blend sits there naturally, so routine pH testing is unnecessary.
Should I buy a bagged mix or make my own for geum 'mrs bradshaw'?
A good peat-free houseplant compost works for geum 'mrs bradshaw' straight from the bag if you mix in some perlite for air. The DIY ratio above gives a more reliable moisture-to-air balance.
How often should I refresh the soil for geum 'mrs bradshaw'?
Peat-free mixes slump and compact as they hold moisture, so refresh geum 'mrs bradshaw''s mix every 12-18 months to keep air in the rootball even if the pot size is unchanged. Use a pot with a drainage hole but a less-porous material (plastic or glazed) so it does not dry too fast. Bottom-watering keeps the mix evenly moist without sogging the crown.
Keep reading
- Geum 'Mrs Bradshaw' care — the full brief (light, water, humidity, problems, pet safety)
- How often to water geum 'mrs bradshaw' — the schedule the mix feeds into
- Repotting geum 'mrs bradshaw' — when and how to refresh the mix
- Soil pH guide — test it and adjust it safely
- Underwatered plant — signs and how to rehydrate it
- Why is my plant wilting? Wet vs dry diagnosis
- Should I water my plant? The simple check first
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