R: Pancratium & Drimia (Urginea) maritimum/a in pots?

ang.por@alice.it ang.por@alice.it
Tue, 15 Jan 2019 14:25:59 PST




It's a nice question. First consideration: in spite of of the specific name maritimum, only Pancratium is strictly ristrected to the marine habitat, it never grows more than few meters from the sea while Drimia grow indifferently along coasts and inland, mainly on rocky soils. This means Drimia is more adaptable to various habitats while Pancratium is very specialized. Drimia bulbs are usually exposed, often totally and they will get a wide range of temperatures from very hot to freezing, Pancratium bulb are buried very deep in sand, 50cm in not a joke and the bulbous part is surely not subject to wide fluctuation of temps. While the neck can be baked in summer, if you dig in the sand you will find that after about 15cm the sand is always moist and rather cool, the roots are much deeper too. This is probably the reason the P.maritimum hates the pot, even big tubs, because the pot itself will turn very hot on the sides in summer. Other Pancratium species grow in habitats similar to Dr
 imia then P. maritimum and actually they flower rather regularly in pots, big however. Some people speculates the salt plays a role in triggering the flowering or the distance from the sea, but I have seen nice flowering clumps of P.maritimum in a garden 25km inland far from the sea. I would plant them in the ground in full sun and leave them so. Mine flower profusely every summer in my soil that is neither sandy nor salt.Angelo PorcelliItaly
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