Just as floriferous as climbing or dwarf annuals, the tuberous nasturtium likes to have the roots covered with a good thickness of soil. Butcher it and don’t forget to train its twining stems.
Material:
hoe
watering can
support or stake
ties
secateurs
special liquid fertilizer for flowers
Advice:
Nasturtiums like cool, but well-drained soils. Install a mulch of crushed pine bark or cocoa shells at their base to keep the soil water. This mulching also allows you to have always clean ground by hindering the emergence of weeds.
Good to know:
Remove the flowers as they wilt to make room for new buds. Also, cut off any broken or withered stems.
Bring earth to the base of the foot
The tuberous nasturtium exhibits little difference in vegetation from its classic root cousins, except that its tubers must be planted deep. With a hoe, bring a little earth to the base of the foot.
Form a mound
Form a hill 10 to 20 cm high which contributes to the full development of the plant. Be careful, however, not to uncover the roots around the tuber. If necessary bring soil from another place in the garden.
Monitor stem growth
Water regularly, being careful not to destroy the mound. Also, watch the growth of climbing stems and help them hang on their support, either by wrapping them around the stake or trellis or by securing them with ties.
Water and fertilize
Do not over-tighten your ties. Distribute all the branches evenly so that the coverage is complete. Two or three times a week, water abundantly and add special liquid flower fertilizer every week.
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