Weather for growing
8–27 °C
Indicative average air temperatures, rather than soil temperatures.
← What to plant today
EVERY PLANT HAS ITS MOMENT
When to plant Asparagus?
The right month changes from one garden to another. Let’s find the season for your little green corner, starting with the climate and how you want to begin.
Asparagus officinalis
Roots come first
Let it settle in
For this crop we consider the first six weeks, without estimating a harvest date.
Sunlight
Full sun
Choose a spot with plenty of direct sunlight.
Water
Regular
Keep the soil moist, without soaking it.
Where to start
An asparagus crown
Start with a healthy asparagus crown.
Harvesting
Follow the plant’s cycle
Do not harvest in the first two years after planting crowns; from seed wait three years. Let the roots build strength first.
A permanent bed
Let roots develop first
Sowing is possible but needs a nursery and more years; here we assess planting crowns and young plants, rather than an immediate harvest.
Growing advice
Prepare a permanent sunny, well-drained bed. Start with crowns or young plants and let foliage develop in the first years.
LET’S START HERE
Tell us about your little green corner.
THE CLIMATE COMES FIRST
See how temperatures change
The next two weeks
Forecast lows and highs · °C
The climate through the year
Historical data loads after the forecast.
A SEASON TO BEGIN
A calendar for your garden.
Choose your location above to see the usually more favourable periods, with sowing and transplanting shown separately.
How to read the calendar
This is an estimate from historical climate, rather than a forecast for this year or a calendar for your variety. We compare three starting dates per month (5, 15 and 25) with cold and time to grow. A favourable month doesn’t guarantee that every day will be suitable. To decide about today, check the weather forecast too.
Air temperature records don’t measure the soil: check its warmth before sowing or planting. Indoor sowing assumes around 22 °C and plenty of light; we consider the climate at the later transplanting time. For perennials, garlic and artichokes we only assess establishment. Variety, chilling requirements, day length and local conditions need separate checks.
YOUR GARDEN, TODAY
And what about today?
Choose your location to check whether today is a good time.
Seeds, bulbs and tubers
If you already have a young plant
ADVICE WITH ROOTS
Nature doesn’t follow
the same calendar everywhere.
Your location helps us work out when to start.
Three things matter more than the month on the calendar.
The right place
Location and local climate: a mountain garden has a different rhythm from a seaside balcony.
The right moment
The coming days’ temperatures help us consider sprouting, cold and heat.
Time to grow
Recent climate records help us consider the time until harvest, or while a plant settles in.
OPEN ABOUT OUR DATA
Where the suggestions come from.
Weather forecasts, climate records and a pilot catalogue with sources you can read. When information is missing, we say so.
Open-Meteo Forecasts and location search · CC BY 4.0 data ↗Copernicus ERA5-Land, via Open-Meteo Recent global climate records · roughly 11 km resolution ↗UC Cooperative Extension Vegetable seed germination temperatures ↗Universities and the RHS Growing references in each plant guide ↗
Each guide distinguishes documented information, estimates and missing values. Variety and local conditions can change timing and growing needs. The cold thresholds used for suggestions are not certified survival limits.