Neowerdermanniais a humble genus lie of two species of spiny globose cacti that strongly resemble those in theGymnocalycium . These cacti produce blossom near their peak , feature naked floral tubes with blank or pink scales . Their fruits are global and dehiscent .
The stems have ribs that are not clearly defined and are fraction into prominent tubercles . The areoles are modest , located at the tops of the tubercles , and bear up to 20 stout spines that can be either cut or hooked .
Plants from this genus are native toArgentina , Bolivia , Chile , andPeru , although they are not found in large quantities . They are even more rare in cultivation , chiefly grown by partizan rather than commercially .

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Light : These cacti thrive in bright , sunny conditions but can also suffer light shade . Water : During the summer months , when Neowerdermannias are actively growing , they ask steady lachrymation — typically once a week for smaller plants in small pots . However , allowing the dirt to dry out out before watering again is very important . Watering during the winter is unnecessary and should be avoided . springtime and fall can be challenging times for right watering . Temperature : Neowerdermannias are quite cold - immune and can defy temperatures as abject as 14 ° C ( -10 ° coulomb ) or less for short periods . Soil : The potting medium should provide salutary drainage to foreclose the plants from sitting in soggysoilfor more than a day or two after watering .
These cacti are typically propagate from seeds but can also be develop by cut or grafting . seeded player should be sown in the spring or summer . Once the seedling are well - rooted , they should not be disturbed . After that , they can be carefully transplant into small slew .
Neowerdermannias are particularly susceptible to root rot . Therefore , it is advisable to underpot them in a smaller container occupy with a very porous soil commixture .
Neowerdermannias arise from mountainous domain , which means they thrive in hopeful light and opt cool , dry conditions during the wintertime . This coolheaded period , with temperatures range between 32 ° F and 50 ° F ( 0 ° C and 10 ° coulomb ) , is crucial for encourage flowering and check their overall health .
These plants have a thick taproot , shit them challenging to cultivate , and they are prone to moulder due to their sensitiveness to excess wet . grow Neowerdermannias to a prominent size of it on their own roots is quite difficult , and make a sizable clump can be a significant challenge .
To support their tap roots , Neowerdermannias require deep pots with excellent drainage . While they are often grafted to make cultivation gentle and to forestall root trouble , it is crucial to note that the grafted body can split if overwatered , particularly in saltation .
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