Make your planting holes with a pencil, going down 1/2 inch.
Drop a seed in each hole, then tamp down the soil to cover it.
Water the soil lightly; do not make the soil soggy.
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After germination, irrigate regularly, but not excessively.
The objective is to keep the soil evenly moist.
The problem with thinning earlier is that young seedlings are particularly susceptible to damage from slugs and snails.
A small plant can be decimated overnight by these pests.
Soil
Sunflowers grown in containers need good drainage.
Sunflowers are also heavy feeders, so they will require fertilization.
A slow-release fertilizer is the safest bang out to use.
you’ve got the option to also amend the soil with compost or aged manure.
Light
Sunflowers need full sun to grow properly.
Water
Your goal in watering is to keep the soil evenly moist.
It should not be allowed to dry out completely, nor should it be soggy.
But other factors, such as weather, also affect how often you will need to irrigate.
Potted sunflowers are very attractive on south-facing decks or patios.
Best Sunflowers for Pots
There are single-stem sunflowers and branching sunflowers.
The single-stem types are great for cut flowers, as they bear large blooms on sturdy stalks.
Not allsunflower varietiesgrow well in pots.
Large types, such asHelianthus annuus’Mammoth,' are ill-suited for pots.
Unlike plastic pots, they are porous, which allows for evaporation and keeps soil from becoming waterlogged.
