Question: I have successfully germinated thunbergia seeds and I would like to transplant the seedlings into large pots to grow against either a trellis or a door. How many plants would you put in say an 8 inch or 12 inch pot or larger pot to get the desired effect?
Answer: Thunbergia seedlings should be spaced about 6" inches apart to give them enough elbow room. If plants get overcrowded, you can pinch back some of the growth that develops later in the season.
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