0Dahlia – 4
Dahlia
Genus – the data refers to the whole genus Dahlia, not to a single species.
- Taxonomy
- Family: Asteraceae · Genus: Dahlia
Still missing: plant type, native distribution, natural habitat, height / growth form, flowering period, growth & dormancy period.
Tips & experience from members
What worked for you? Your plant’s growing conditions are attached automatically, so others can see who it works for.
No tips for this species yet – be the first to share what worked for you!
How members water it
Not enough logs yet: at least 3 plants with regular watering logs are needed (now: 0). Waterings logged in Care feed this – anonymised and aggregated.
How it thrives
Watermedium
Lightfull sun
Humiditylow
Min. temperature5 °CJanuary
Don’t water – dry winter rest. Slight shrivelling is normal.
No feeding now.
Cool and bright, 5–12 °C: unheated room, stairwell, cold windowsill or frost-free greenhouse.
February
Don’t water – dry winter rest. Slight shrivelling is normal.
No feeding now.
Cool and bright, 5–12 °C: unheated room, stairwell, cold windowsill or frost-free greenhouse.
March
Gentle start: the first small drink once you see buds or new growth and it warms up.
First weak dose at the end of the month if it is actively growing.
The sunniest window (south or west).
Move it somewhere brighter and warmer and end wintering. Get it used to strong sun gradually.
If roots fill the pot: fresh soil, a pot 1–2 cm larger. Water sparingly for a week afterwards.
April
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
The sunniest window (south or west).
If roots fill the pot: fresh soil, a pot 1–2 cm larger. Water sparingly for a week afterwards.
May
When the top 2–3 cm of soil are dry.
Liquid feed every 2–3 weeks.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
After mid-May (last frosts) it can go outside – keep it in partial shade for the first 1–2 weeks to avoid sunburn.
June
When the top 2–3 cm of soil are dry – more often in heatwaves, preferably in the evening.
Liquid feed every 2–3 weeks.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
It flowers next month – once you see buds, don’t move it any more.
Above 35 °C, shade it at midday to prevent sunburn.
July
When the top 2–3 cm of soil are dry – more often in heatwaves, preferably in the evening.
Liquid feed every 2–3 weeks.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
Above 35 °C, shade it at midday to prevent sunburn.
August
When the top 2–3 cm of soil are dry – more often in heatwaves, preferably in the evening.
Liquid feed every 2–3 weeks.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
Above 35 °C, shade it at midday to prevent sunburn.
September
When the top 2–3 cm of soil are dry.
No feeding now.
Best outdoors: sunny balcony, terrace or garden – acclimatise it to full sun gradually.
Bring it in when nights drop below 10 °C. Check for pests first.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
October
Taper off gradually: very little by the end of the month.
No feeding now.
The sunniest window (south or west).
Move it to its cool, bright winter spot and taper off watering. Log it with one click in the Care hub.
It usually flowers now – don’t turn or move it, and log the bloom in your diary!
November · now
Don’t water – dry winter rest. Slight shrivelling is normal.
No feeding now.
Cool and bright, 5–12 °C: unheated room, stairwell, cold windowsill or frost-free greenhouse.
December
Don’t water – dry winter rest. Slight shrivelling is normal.
No feeding now.
Cool and bright, 5–12 °C: unheated room, stairwell, cold windowsill or frost-free greenhouse.
Lift the tubers after the first frost and store them dry and frost-free.
Dahlia – what to know
Dahlia: a plant genus (Asteraceae). Care guidelines: light: full sun; water: medium; min. 5 °C. For cats: mildly toxic; for dogs: mildly toxic. Keep it out of reach and call a vet straight away if you suspect poisoning.
Frequently asked questions
How often should I water Dahlia?
Moderately: water when the top 2–3 cm of soil is dry, and never let it sit in standing water.
How much light does Dahlia need?
It needs plenty of direct sun – the sunniest window, or outdoors in summer, suits it best.
How cold can Dahlia get?
Keep it above 5 °C – it is frost-tender and needs a frost-free spot in winter.
Is Dahlia toxic to cats and dogs?
For cats: mildly toxic; for dogs: mildly toxic. Keep it out of reach and call a vet straight away if you suspect poisoning.
When does Dahlia flower?
Typical flowering time: July, August, September, October.
What members’ data shows
When does it really bloom?
No blooms logged yet. If yours flowers, your data will be the first!
Average watering interval
Not enough watering logs yet. Waterings logged in the care hub feed this chart.
Questions about this species
Care data is for guidance only.
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