Pinus coulteri aka Bigcone Pine

Taxonomy

Pinus coulteri, also known as the Coulter pine or big-cone pine, is a substantial coniferous evergreen tree in the genus Pinus. It is native to the coastal mountains of Southern California and northern Baja California in Mexico, with isolated groves found as far north as Clearlake, California on the flanks of Mt. Konocti and Black Diamond Mines Regional Preserve. The species is named after Thomas Coulter, an Irish botanist and physician. This tree produces the heaviest cone of any pine tree, with cones weighing up to 5 kg (11 lb), and it is among conifers only exceeded by the cones of Araucaria bidwillii. The cones are large and spiny, measuring 20–40 cm (7.9–15.7 in) long, earning them the nickname "widowmakers" among locals. The Coulter pine is also known for its needle-like leaves, which are in bundles of three and glaucous gray-green in color. Although it has a limited range in the wild, the Coulter pine is a popular ornamental tree that is grown in many countries. Wildlife, especially squirrels, gather the large seeds, and they were also once eaten by Native Americans. However, the wood is weak and soft, so the species is little used other than for firewood. Bigcone Pine is a super rare houseplant that needs regular watering to thrive. They do best in long-lasting, direct light and should be less than 1 foot from a window. Bigcone Pine likes soil that is well-draining, and your plant shouldn't need added fertilizers if you repot each time it doubles in size.

Common names

Bigcone Pine, Coulter Pine, Coulter's Pine

How to care for Bigcone Pine

Difficulty

Bigcone Pine requires a bit more attention and knowledge to thrive, making it a suitable plant for those with some gardening experience.

Water

Bigcone Pine should be watered regularly, allowing the soil to dry out between waterings.

Soil

Bigcone Pine loves a well-draining soil. Perlite and vermiculite help with drainage, while coco coir adds organic matter, so a good potting soil mix will have all three. You can improve store-bought soil by adding some perlite to it.

Lighting

To ensure optimal growth, the Bigcone Pine prefers bright diffused light for 6-8 hours each day. Insufficient light can result in slow growth and leaf drop, so it's important to find a well-lit location for this plant. Place it near a window, within a distance of 1 meter (3 feet), to enhance its potential for thriving.

Toxicity

Ploi does not possess verified information regarding the toxicity of this particular plant. In the event that you, a member of your family, or a pet ingests plant material with an unclear toxicity level, it is highly recommended to seek the advice of a medical professional.

Fertilizer

The growth of Bigcone Pine is gradual and it doesn't necessitate any additional fertilizers. Replacing the soil in its pot once a year should suffice to provide the plant with sufficient nutrition. It's important to keep in mind that plants derive their energy from the sun's rays, not fertilizers.


More info:
Wikipedia