Liquid Gypsum by Soil Logic

California Natives

Native Plants Suitable For A Green Roof

In this short list are several succulents, and two grasses. Several groundcovers, a few bulbs, and some perennials would also be worthy contestants but... Read more »
Combinations with Mexican Sage

Combinations with Mexican Sage

Question from Dave: We’re planning on planting Mexican sage in a full sun area in zone 24. Can you suggest a plant with similar hardiness characteristics that has a red flower... Read more »

Vegetables & Fruits

Companion Planting Has No Scientific Basis but Planting a Wide Range of Crops Works

Companion Planting Has No Scientific Basis but Planting a Wide Range of Crops Works

Question: The other thing you said was that companion planting has been proven ineffective – by that do you mean that researchers have failed to find that planting certain... Read more »

Instructions for Building Raised Bed

Question: We live in Fallbrook and are looking to build one or more raised beds for planting vegetables. We purchased your Southern California Gardening... Read more »

Pests

Fungus (black spot) on Tabebulia Leaves

Question from Ellen: Every year our pink Tabebulia leafs out nicely then immediately starts losing its leaves to this black spot business. First the... Read more »
Nematodes

Nematodes

Question from Vicki: I have nematodes in my garden. is it safe to eat the vegetables if there are nematodes in the roots? Are there any vegetables tht nematodes are less likely... Read more »

Garden Q & A

Lime, Peach, Nectarine, and Apricot Trees for Mild Climates

Lime, Peach, Nectarine, and Apricot Trees for Mild Climates

Question from Rachel: Pat, your book has been a lifesaver!  But I have a specific question to ask, and I can’t find an answer anywhere. I live in zone 10, Long Beach, CA. ... Read more »

Companion Planting Has No Scientific Basis but Planting a Wide Range of Crops Works

Question: The other thing you said was that companion planting has been proven ineffective – by that do you mean that researchers have failed to... Read more »

Herbs

Tarragon and Thyme

Question from Dee: This is my first garden this year so I really don’t know what I Am doing.I buy tarragon and Thyme every year and put it in pots.I... Read more »
Pruning Lavendar

Pruning Lavendar

Question from Heather: I live near the coast. When is the best time to prune back lavendar? I did it a few months back, but not aggressively. Now they are even larger, too big... Read more »

Pots & Containers

Organic fertilizers for indoor plants

Organic fertilizers for indoor plants

Jun. 23 | Question from Randy: I would like to know what is a good indoor plant food? I’m going to start worm composting and am now composting my yard clippings etc. but am unsure... Read more »

Container Lemon Tree

Mar. 2 | Question from Diane: I’m hoping you can help me with my container lemon tree. I have a 2 year old lemon tree that I transplanted from a 14” to an... Read more »

Composting

Pre-Compost or Trench Composting

Jul. 19 | Question from Sharon: I’m here on the central coast of CA and we have citrus trees, pomegranate, and fig in our yard. No official compost pile yet,... Read more »
Spent Brewery Grains as Compost or Soil Amendment

Spent Brewery Grains as Compost or Soil Amendment

Aug. 14 | Question from Ica: My friend is a brewmaker and has tons of the filtered barley grains they use to make beer. Would this be a good soil admendment? Also should it be composted... Read more »

Fertilizer

How to Fertilize Organically

How to Fertilize Organically

Aug. 16 | Question from Zenna: I am just beginning to switch to organic gardening and would like to know the best way to fertilize my garden and outdoor pots organically.  I live in Southern... Read more »

Spent Brewery Grains as Compost or Soil Amendment

Aug. 14 | Question from Ica: My friend is a brewmaker and has tons of the filtered barley grains they use to make beer. Would this be a good soil admendment? Also... Read more »