euphorbiaceae

codiaeum variegatum – croton

the croton (codiaeum variegatum) is the most common member of the genus, belonging to the euphorbiaceae family. there are a lot of cultivars availalbe, in nearly every color you want, with broad, small or twisted leaves. its leathery foliage is starting out green and developing more colorful as it matures.

care

for developing its colorful foliage the croton needs a bright and sunny location without afternoon sun. light shaded or shaded placed plants tend to develop more green leaves.

a good regular potting mix can be used. keep it evenly moist but not wet, sitting in water can cause rotten roots. a slightly drying of the soil’s surface between watering will be tolerated, but it shouldn’t dry completely.

a water soluble fertilizer at half strenght can be given monthly in spring and summer and every six to eight weeks in fall and winter (if placed at approx. 20 °c/68 °f).

codiaeum variegatum can be grown at room temperature the year round with a winter minimum of 16 °c/60 °f. if placed at this temperature range it needs less watering (but shouldn’t dry out at all) and no feeding.

a high humidity is welcome. it can be increased by spraying it over with water every morning or placing the pot on a large plant saucer, filled with water. to assure that the pot do not contact the water put it in a smaller plant saucer.

croton - codiaeum variegatum
croton - codiaeum variegatumcroton - codiaeum variegatumcroton flowers

propagation

the croton can be propagated with cuttings.

euphorbia pulcherrima – poinsettia, christmas star

the poinsettia (euphorbia pulcherrima) has a lot of names, here in germany it’s very famous under the name christmas star. sometimes it’s called mexican flame leaf or winter rose. there are cultivars with white, yellow, green or multicoloured bracts available.

care

poinsettias like it bright with indirect sunlight. if they should bloom for the holidays they need a six to eight week of darkness for approx. 12 hours every day, starting in september. during the summer you can give them a place without afternoon sun in the garden or on the balcony.

they can be grown in a regular potting soil or a mix with a part of sand. keep the soil moist but not wet and water when it feels dry. overwatering can cause irreversible root rot.

a water soluble fertilizer can be given monthly in half of the manufacturers indicated concentration.

poinsettias can be cultivated at room temperature throughout the year. the minimum winter temperatur is about 14 °c (57 °f).

stems could be cut back if they become to big.

propagation

euphorbia pulcherrima can be propagated by cuttings.

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