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Shrubs, Vines, & Herbs
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Protea
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Welcome to the world of Proteas. These plants are indigenous to
Southern Africa and were first introduced into Southern California in 1964. By
carefully following the planting and care directions, these plants will provide you
with magnificent blooms to use as cut flowers, year after year.
1. Where to plant Proteas
Proteas grow well in the coastal areas of Southern California
from Santa Barbara to San Diego. They must have a full sun
location with adequate free air movement around the plants. The soil
should have good drainage and be slightly acid; a pH of 6.5 is ideal.
2. How to plant
Dig a hole about twice the size of the container and mix into
the soil about 1/3 fir bark, redwood shavings or leaf mold. Use the
2/3 soil, 1/3 additive mixture to backfill the hole. Build a basin
2-3 inches deep around the plant and mulch 1-1/2 inches with
the additive you used (fir bark, redwood shavings or leaf mold).
Water well by filling the basin at least twice to allow the water to
compact the soil.
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3. Fertilizer and Insecticides
A light feeding with Roger's Flower Food can be used every
two months, from early March to late September.
Do not overfertilize.
Proteas are relatively resistant to diseases and insects. If a
problem arises, discuss it with your nurseryman. Avoid use of
conventional pesticides without prior consultation.
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4. Watering
Proteas do not require much water and are readily killed by overwatering. A moderate amount of
water applied each week should be ideal. It is much better to underwater than to overwater.
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5. General Care
Blooms appear from the second to the fourth year and the plants bloom annually thereafter. Proteas
do not need to be staked and prefer to spread naturally and brace themselves. Prune the plants back as
you cut flowers. Proteas thrive on pruning. Also, Proteas have fine roots near the surface, so do not
dig around them.
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